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Finding the Fourth Proportional to 14,762,591.20, 22,143,886.80 and 14,762,591.20

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Solution

The fourth proportional to 14,762,591.20, 22,143,886.80 and 14,762,591.20 is: 22,143,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,762,591.20 : 22,143,886.80 = 14,762,591.20 : x
  2. Step 2: Convert to fraction form
    14,762,591.20/22,143,886.80 = 14,762,591.20/x
  3. Step 3: Cross multiply
    14,762,591.20x = 22,143,886.80 × 14,762,591.20
  4. Step 4: Simplify right side
    14,762,591.20x = 326,901,148,407,476.12
  5. Step 5: Solve for x
    x = 326,901,148,407,476.12/14,762,591.20
  6. Step 6: Final answer
    x = 22,143,886.80

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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.