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Finding the Fourth Proportional to 6,786,155.92, 9,364,658.08 and 3,730,348.30

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Solution

The fourth proportional to 6,786,155.92, 9,364,658.08 and 3,730,348.30 is: 5,147,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,155.92 : 9,364,658.08 = 3,730,348.30 : x
  2. Step 2: Convert to fraction form
    6,786,155.92/9,364,658.08 = 3,730,348.30/x
  3. Step 3: Cross multiply
    6,786,155.92x = 9,364,658.08 × 3,730,348.30
  4. Step 4: Simplify right side
    6,786,155.92x = 34,933,436,348,809.26
  5. Step 5: Solve for x
    x = 34,933,436,348,809.26/6,786,155.92
  6. Step 6: Final answer
    x = 5,147,750.33

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1.5x scale

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.