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Finding the Fourth Proportional to 8,696,468.62, 12,002,234.07 and 5,258,734.30

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Solution

The fourth proportional to 8,696,468.62, 12,002,234.07 and 5,258,734.30 is: 7,257,722.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,468.62 : 12,002,234.07 = 5,258,734.30 : x
  2. Step 2: Convert to fraction form
    8,696,468.62/12,002,234.07 = 5,258,734.30/x
  3. Step 3: Cross multiply
    8,696,468.62x = 12,002,234.07 × 5,258,734.30
  4. Step 4: Simplify right side
    8,696,468.62x = 63,116,559,980,537.60
  5. Step 5: Solve for x
    x = 63,116,559,980,537.60/8,696,468.62
  6. Step 6: Final answer
    x = 7,257,722.96

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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.