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Finding the Fourth Proportional to 39,428,577.35, 59,142,866.03 and 39,428,577.35

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Solution

The fourth proportional to 39,428,577.35, 59,142,866.03 and 39,428,577.35 is: 59,142,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428,577.35 : 59,142,866.03 = 39,428,577.35 : x
  2. Step 2: Convert to fraction form
    39,428,577.35/59,142,866.03 = 39,428,577.35/x
  3. Step 3: Cross multiply
    39,428,577.35x = 59,142,866.03 × 39,428,577.35
  4. Step 4: Simplify right side
    39,428,577.35x = 2,331,919,067,767,399.50
  5. Step 5: Solve for x
    x = 2,331,919,067,767,399.50/39,428,577.35
  6. Step 6: Final answer
    x = 59,142,866.03

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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.