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Finding the Fourth Proportional to 9,988,347.48, 13,793,234.04 and 7,351,735.80

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Solution

The fourth proportional to 9,988,347.48, 13,793,234.04 and 7,351,735.80 is: 10,152,251.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988,347.48 : 13,793,234.04 = 7,351,735.80 : x
  2. Step 2: Convert to fraction form
    9,988,347.48/13,793,234.04 = 7,351,735.80/x
  3. Step 3: Cross multiply
    9,988,347.48x = 13,793,234.04 × 7,351,735.80
  4. Step 4: Simplify right side
    9,988,347.48x = 101,404,212,489,646.62
  5. Step 5: Solve for x
    x = 101,404,212,489,646.62/9,988,347.48
  6. Step 6: Final answer
    x = 10,152,251.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.