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Finding the Fourth Proportional to 7,056,337.59, 9,743,230.95 and 5,422,169.07

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Solution

The fourth proportional to 7,056,337.59, 9,743,230.95 and 5,422,169.07 is: 7,486,808.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056,337.59 : 9,743,230.95 = 5,422,169.07 : x
  2. Step 2: Convert to fraction form
    7,056,337.59/9,743,230.95 = 5,422,169.07/x
  3. Step 3: Cross multiply
    7,056,337.59x = 9,743,230.95 × 5,422,169.07
  4. Step 4: Simplify right side
    7,056,337.59x = 52,829,445,498,956.72
  5. Step 5: Solve for x
    x = 52,829,445,498,956.72/7,056,337.59
  6. Step 6: Final answer
    x = 7,486,808.11

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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.