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Finding the Fourth Proportional to 8,565,713.96, 12,851,935.49 and 3,770,041.21

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Solution

The fourth proportional to 8,565,713.96, 12,851,935.49 and 3,770,041.21 is: 5,656,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565,713.96 : 12,851,935.49 = 3,770,041.21 : x
  2. Step 2: Convert to fraction form
    8,565,713.96/12,851,935.49 = 3,770,041.21/x
  3. Step 3: Cross multiply
    8,565,713.96x = 12,851,935.49 × 3,770,041.21
  4. Step 4: Simplify right side
    8,565,713.96x = 48,452,326,402,856.80
  5. Step 5: Solve for x
    x = 48,452,326,402,856.80/8,565,713.96
  6. Step 6: Final answer
    x = 5,656,542.66

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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.