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Finding the Fourth Proportional to 8,902,217.80, 13,353,326.70 and 6,209,583.40

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Solution

The fourth proportional to 8,902,217.80, 13,353,326.70 and 6,209,583.40 is: 9,314,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,902,217.80 : 13,353,326.70 = 6,209,583.40 : x
  2. Step 2: Convert to fraction form
    8,902,217.80/13,353,326.70 = 6,209,583.40/x
  3. Step 3: Cross multiply
    8,902,217.80x = 13,353,326.70 × 6,209,583.40
  4. Step 4: Simplify right side
    8,902,217.80x = 82,918,595,811,096.78
  5. Step 5: Solve for x
    x = 82,918,595,811,096.78/8,902,217.80
  6. Step 6: Final answer
    x = 9,314,375.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.