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Finding the Fourth Proportional to 4,892,216.72, 7,337,472.08 and 1,298,347.02

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Solution

The fourth proportional to 4,892,216.72, 7,337,472.08 and 1,298,347.02 is: 1,947,294.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,892,216.72 : 7,337,472.08 = 1,298,347.02 : x
  2. Step 2: Convert to fraction form
    4,892,216.72/7,337,472.08 = 1,298,347.02/x
  3. Step 3: Cross multiply
    4,892,216.72x = 7,337,472.08 × 1,298,347.02
  4. Step 4: Simplify right side
    4,892,216.72x = 9,526,585,002,909.47
  5. Step 5: Solve for x
    x = 9,526,585,002,909.47/4,892,216.72
  6. Step 6: Final answer
    x = 1,947,294.15

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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.