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Finding the Fourth Proportional to 8,762,808.53, 13,132,463.55 and 6,819,883.17

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Solution

The fourth proportional to 8,762,808.53, 13,132,463.55 and 6,819,883.17 is: 10,220,680.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,808.53 : 13,132,463.55 = 6,819,883.17 : x
  2. Step 2: Convert to fraction form
    8,762,808.53/13,132,463.55 = 6,819,883.17/x
  3. Step 3: Cross multiply
    8,762,808.53x = 13,132,463.55 × 6,819,883.17
  4. Step 4: Simplify right side
    8,762,808.53x = 89,561,867,095,085.53
  5. Step 5: Solve for x
    x = 89,561,867,095,085.53/8,762,808.53
  6. Step 6: Final answer
    x = 10,220,680.59

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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.