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Finding the Fourth Proportional to 14,483.99, 19,996.94 and 9,954.47

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Solution

The fourth proportional to 14,483.99, 19,996.94 and 9,954.47 is: 13,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.99 : 19,996.94 = 9,954.47 : x
  2. Step 2: Convert to fraction form
    14,483.99/19,996.94 = 9,954.47/x
  3. Step 3: Cross multiply
    14,483.99x = 19,996.94 × 9,954.47
  4. Step 4: Simplify right side
    14,483.99x = 199,058,939.32
  5. Step 5: Solve for x
    x = 199,058,939.32/14,483.99
  6. Step 6: Final answer
    x = 13,743.38

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.