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Finding the Fourth Proportional to 60,865,912.71, 91,083,352.77 and 37,847,686.68

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Solution

The fourth proportional to 60,865,912.71, 91,083,352.77 and 37,847,686.68 is: 56,637,517.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,865,912.71 : 91,083,352.77 = 37,847,686.68 : x
  2. Step 2: Convert to fraction form
    60,865,912.71/91,083,352.77 = 37,847,686.68/x
  3. Step 3: Cross multiply
    60,865,912.71x = 91,083,352.77 × 37,847,686.68
  4. Step 4: Simplify right side
    60,865,912.71x = 3,447,294,197,402,870
  5. Step 5: Solve for x
    x = 3,447,294,197,402,870/60,865,912.71
  6. Step 6: Final answer
    x = 56,637,517.52

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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.