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Finding the Fourth Proportional to 6,506,650.60, 8,971,196.10 and 5,279,481.16

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Solution

The fourth proportional to 6,506,650.60, 8,971,196.10 and 5,279,481.16 is: 7,279,207.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,650.60 : 8,971,196.10 = 5,279,481.16 : x
  2. Step 2: Convert to fraction form
    6,506,650.60/8,971,196.10 = 5,279,481.16/x
  3. Step 3: Cross multiply
    6,506,650.60x = 8,971,196.10 × 5,279,481.16
  4. Step 4: Simplify right side
    6,506,650.60x = 47,363,260,792,615.48
  5. Step 5: Solve for x
    x = 47,363,260,792,615.48/6,506,650.60
  6. Step 6: Final answer
    x = 7,279,207.65

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