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Finding the Fourth Proportional to 8,862,978.59, 12,240,999.50 and 5,957,324.92

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Solution

The fourth proportional to 8,862,978.59, 12,240,999.50 and 5,957,324.92 is: 8,227,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862,978.59 : 12,240,999.50 = 5,957,324.92 : x
  2. Step 2: Convert to fraction form
    8,862,978.59/12,240,999.50 = 5,957,324.92/x
  3. Step 3: Cross multiply
    8,862,978.59x = 12,240,999.50 × 5,957,324.92
  4. Step 4: Simplify right side
    8,862,978.59x = 72,923,611,386,082.11
  5. Step 5: Solve for x
    x = 72,923,611,386,082.11/8,862,978.59
  6. Step 6: Final answer
    x = 8,227,889.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.