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Finding the Fourth Proportional to 34,784,507.70, 52,176,761.55 and 22,019,426.10

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Solution

The fourth proportional to 34,784,507.70, 52,176,761.55 and 22,019,426.10 is: 33,029,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,784,507.70 : 52,176,761.55 = 22,019,426.10 : x
  2. Step 2: Convert to fraction form
    34,784,507.70/52,176,761.55 = 22,019,426.10/x
  3. Step 3: Cross multiply
    34,784,507.70x = 52,176,761.55 × 22,019,426.10
  4. Step 4: Simplify right side
    34,784,507.70x = 1,148,902,345,087,546.50
  5. Step 5: Solve for x
    x = 1,148,902,345,087,546.50/34,784,507.70
  6. Step 6: Final answer
    x = 33,029,139.15

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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.