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Finding the Fourth Proportional to 10,471,148.18, 15,706,916.67 and 3,282,521.30

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Solution

The fourth proportional to 10,471,148.18, 15,706,916.67 and 3,282,521.30 is: 4,923,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471,148.18 : 15,706,916.67 = 3,282,521.30 : x
  2. Step 2: Convert to fraction form
    10,471,148.18/15,706,916.67 = 3,282,521.30/x
  3. Step 3: Cross multiply
    10,471,148.18x = 15,706,916.67 × 3,282,521.30
  4. Step 4: Simplify right side
    10,471,148.18x = 51,558,288,526,600.07
  5. Step 5: Solve for x
    x = 51,558,288,526,600.07/10,471,148.18
  6. Step 6: Final answer
    x = 4,923,842.89

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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.