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Finding the Fourth Proportional to 8,981,603.30, 13,472,404.95 and 4,434,830.30

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Solution

The fourth proportional to 8,981,603.30, 13,472,404.95 and 4,434,830.30 is: 6,652,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981,603.30 : 13,472,404.95 = 4,434,830.30 : x
  2. Step 2: Convert to fraction form
    8,981,603.30/13,472,404.95 = 4,434,830.30/x
  3. Step 3: Cross multiply
    8,981,603.30x = 13,472,404.95 × 4,434,830.30
  4. Step 4: Simplify right side
    8,981,603.30x = 59,747,829,686,129.98
  5. Step 5: Solve for x
    x = 59,747,829,686,129.98/8,981,603.30
  6. Step 6: Final answer
    x = 6,652,245.45

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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.