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Finding the Fourth Proportional to 16,665.92, 24,999.16 and 9,317.28

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Solution

The fourth proportional to 16,665.92, 24,999.16 and 9,317.28 is: 13,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,665.92 : 24,999.16 = 9,317.28 : x
  2. Step 2: Convert to fraction form
    16,665.92/24,999.16 = 9,317.28/x
  3. Step 3: Cross multiply
    16,665.92x = 24,999.16 × 9,317.28
  4. Step 4: Simplify right side
    16,665.92x = 232,924,173.48
  5. Step 5: Solve for x
    x = 232,924,173.48/16,665.92
  6. Step 6: Final answer
    x = 13,976.08

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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.