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Finding the Fourth Proportional to 8,835,506.10, 13,253,259.15 and 7,239,870.90

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Solution

The fourth proportional to 8,835,506.10, 13,253,259.15 and 7,239,870.90 is: 10,859,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,506.10 : 13,253,259.15 = 7,239,870.90 : x
  2. Step 2: Convert to fraction form
    8,835,506.10/13,253,259.15 = 7,239,870.90/x
  3. Step 3: Cross multiply
    8,835,506.10x = 13,253,259.15 × 7,239,870.90
  4. Step 4: Simplify right side
    8,835,506.10x = 95,951,885,250,243.75
  5. Step 5: Solve for x
    x = 95,951,885,250,243.75/8,835,506.10
  6. Step 6: Final answer
    x = 10,859,806.35

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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.