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Finding the Fourth Proportional to 16,624.40, 22,941.92 and 9,913.92

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Solution

The fourth proportional to 16,624.40, 22,941.92 and 9,913.92 is: 13,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,624.40 : 22,941.92 = 9,913.92 : x
  2. Step 2: Convert to fraction form
    16,624.40/22,941.92 = 9,913.92/x
  3. Step 3: Cross multiply
    16,624.40x = 22,941.92 × 9,913.92
  4. Step 4: Simplify right side
    16,624.40x = 227,444,359.53
  5. Step 5: Solve for x
    x = 227,444,359.53/16,624.40
  6. Step 6: Final answer
    x = 13,681.36

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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.