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Finding the Fourth Proportional to 16,619.97, 22,925.25 and 9,901.02

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Solution

The fourth proportional to 16,619.97, 22,925.25 and 9,901.02 is: 13,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,619.97 : 22,925.25 = 9,901.02 : x
  2. Step 2: Convert to fraction form
    16,619.97/22,925.25 = 9,901.02/x
  3. Step 3: Cross multiply
    16,619.97x = 22,925.25 × 9,901.02
  4. Step 4: Simplify right side
    16,619.97x = 226,983,358.76
  5. Step 5: Solve for x
    x = 226,983,358.76/16,619.97
  6. Step 6: Final answer
    x = 13,657.27

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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.