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Finding the Fourth Proportional to 16,587.61, 22,892.99 and 9,513.88

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Solution

The fourth proportional to 16,587.61, 22,892.99 and 9,513.88 is: 13,130.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.61 : 22,892.99 = 9,513.88 : x
  2. Step 2: Convert to fraction form
    16,587.61/22,892.99 = 9,513.88/x
  3. Step 3: Cross multiply
    16,587.61x = 22,892.99 × 9,513.88
  4. Step 4: Simplify right side
    16,587.61x = 217,801,159.70
  5. Step 5: Solve for x
    x = 217,801,159.70/16,587.61
  6. Step 6: Final answer
    x = 13,130.35

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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.