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Finding the Fourth Proportional to 8,337.90, 12,502.80 and 4,636.20

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Solution

The fourth proportional to 8,337.90, 12,502.80 and 4,636.20 is: 6,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,337.90 : 12,502.80 = 4,636.20 : x
  2. Step 2: Convert to fraction form
    8,337.90/12,502.80 = 4,636.20/x
  3. Step 3: Cross multiply
    8,337.90x = 12,502.80 × 4,636.20
  4. Step 4: Simplify right side
    8,337.90x = 57,965,481.36
  5. Step 5: Solve for x
    x = 57,965,481.36/8,337.90
  6. Step 6: Final answer
    x = 6,952.05

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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.