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Finding the Fourth Proportional to 8,835,404.80, 13,253,107.20 and 4,356,428.80

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Solution

The fourth proportional to 8,835,404.80, 13,253,107.20 and 4,356,428.80 is: 6,534,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,404.80 : 13,253,107.20 = 4,356,428.80 : x
  2. Step 2: Convert to fraction form
    8,835,404.80/13,253,107.20 = 4,356,428.80/x
  3. Step 3: Cross multiply
    8,835,404.80x = 13,253,107.20 × 4,356,428.80
  4. Step 4: Simplify right side
    8,835,404.80x = 57,736,217,895,567.35
  5. Step 5: Solve for x
    x = 57,736,217,895,567.35/8,835,404.80
  6. Step 6: Final answer
    x = 6,534,643.20

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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.