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Finding the Fourth Proportional to 8,693,277.10, 13,034,731.65 and 5,329,897.90

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Solution

The fourth proportional to 8,693,277.10, 13,034,731.65 and 5,329,897.90 is: 7,991,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693,277.10 : 13,034,731.65 = 5,329,897.90 : x
  2. Step 2: Convert to fraction form
    8,693,277.10/13,034,731.65 = 5,329,897.90/x
  3. Step 3: Cross multiply
    8,693,277.10x = 13,034,731.65 × 5,329,897.90
  4. Step 4: Simplify right side
    8,693,277.10x = 69,473,788,848,398.54
  5. Step 5: Solve for x
    x = 69,473,788,848,398.54/8,693,277.10
  6. Step 6: Final answer
    x = 7,991,668.51

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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.