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Finding the Fourth Proportional to 8,798,882.70, 13,187,826.45 and 7,896,089.10

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Solution

The fourth proportional to 8,798,882.70, 13,187,826.45 and 7,896,089.10 is: 11,834,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798,882.70 : 13,187,826.45 = 7,896,089.10 : x
  2. Step 2: Convert to fraction form
    8,798,882.70/13,187,826.45 = 7,896,089.10/x
  3. Step 3: Cross multiply
    8,798,882.70x = 13,187,826.45 × 7,896,089.10
  4. Step 4: Simplify right side
    8,798,882.70x = 104,132,252,684,536.69
  5. Step 5: Solve for x
    x = 104,132,252,684,536.69/8,798,882.70
  6. Step 6: Final answer
    x = 11,834,713.14

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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.