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Finding the Fourth Proportional to 14,677,871.20, 22,016,806.80 and 14,362,943.20

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Solution

The fourth proportional to 14,677,871.20, 22,016,806.80 and 14,362,943.20 is: 21,544,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677,871.20 : 22,016,806.80 = 14,362,943.20 : x
  2. Step 2: Convert to fraction form
    14,677,871.20/22,016,806.80 = 14,362,943.20/x
  3. Step 3: Cross multiply
    14,677,871.20x = 22,016,806.80 × 14,362,943.20
  4. Step 4: Simplify right side
    14,677,871.20x = 316,226,145,513,773.75
  5. Step 5: Solve for x
    x = 316,226,145,513,773.75/14,677,871.20
  6. Step 6: Final answer
    x = 21,544,414.80

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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.