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Finding the Fourth Proportional to 35,007,419.20, 52,511,128.80 and 35,007,419.20

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Solution

The fourth proportional to 35,007,419.20, 52,511,128.80 and 35,007,419.20 is: 52,511,128.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,007,419.20 : 52,511,128.80 = 35,007,419.20 : x
  2. Step 2: Convert to fraction form
    35,007,419.20/52,511,128.80 = 35,007,419.20/x
  3. Step 3: Cross multiply
    35,007,419.20x = 52,511,128.80 × 35,007,419.20
  4. Step 4: Simplify right side
    35,007,419.20x = 1,838,279,098,566,793
  5. Step 5: Solve for x
    x = 1,838,279,098,566,793/35,007,419.20
  6. Step 6: Final answer
    x = 52,511,128.80

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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.