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Finding the Fourth Proportional to 39,594,809.80, 59,392,214.70 and 34,807,904.20

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Solution

The fourth proportional to 39,594,809.80, 59,392,214.70 and 34,807,904.20 is: 52,211,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,594,809.80 : 59,392,214.70 = 34,807,904.20 : x
  2. Step 2: Convert to fraction form
    39,594,809.80/59,392,214.70 = 34,807,904.20/x
  3. Step 3: Cross multiply
    39,594,809.80x = 59,392,214.70 × 34,807,904.20
  4. Step 4: Simplify right side
    39,594,809.80x = 2,067,318,519,503,432
  5. Step 5: Solve for x
    x = 2,067,318,519,503,432/39,594,809.80
  6. Step 6: Final answer
    x = 52,211,856.30

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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.