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Finding the Fourth Proportional to 30,637.99, 45,955.50 and 9,577.86

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Solution

The fourth proportional to 30,637.99, 45,955.50 and 9,577.86 is: 14,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.99 : 45,955.50 = 9,577.86 : x
  2. Step 2: Convert to fraction form
    30,637.99/45,955.50 = 9,577.86/x
  3. Step 3: Cross multiply
    30,637.99x = 45,955.50 × 9,577.86
  4. Step 4: Simplify right side
    30,637.99x = 440,155,345.23
  5. Step 5: Solve for x
    x = 440,155,345.23/30,637.99
  6. Step 6: Final answer
    x = 14,366.33

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.