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Finding the Fourth Proportional to 16,637.68, 22,959.36 and 9,923.16

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Solution

The fourth proportional to 16,637.68, 22,959.36 and 9,923.16 is: 13,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,637.68 : 22,959.36 = 9,923.16 : x
  2. Step 2: Convert to fraction form
    16,637.68/22,959.36 = 9,923.16/x
  3. Step 3: Cross multiply
    16,637.68x = 22,959.36 × 9,923.16
  4. Step 4: Simplify right side
    16,637.68x = 227,829,402.78
  5. Step 5: Solve for x
    x = 227,829,402.78/16,637.68
  6. Step 6: Final answer
    x = 13,693.58

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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.