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Finding the Fourth Proportional to 16,577.71, 22,876.99 and 9,125.71

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Solution

The fourth proportional to 16,577.71, 22,876.99 and 9,125.71 is: 12,593.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,577.71 : 22,876.99 = 9,125.71 : x
  2. Step 2: Convert to fraction form
    16,577.71/22,876.99 = 9,125.71/x
  3. Step 3: Cross multiply
    16,577.71x = 22,876.99 × 9,125.71
  4. Step 4: Simplify right side
    16,577.71x = 208,768,696.41
  5. Step 5: Solve for x
    x = 208,768,696.41/16,577.71
  6. Step 6: Final answer
    x = 12,593.34

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Half scale
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Double scale
Find fourth proportional to 16,578.71, 22,878.37 and 9,126.71
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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.