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Finding the Fourth Proportional to 3,207.10, 4,502.90 and 3,207.10

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Solution

The fourth proportional to 3,207.10, 4,502.90 and 3,207.10 is: 4,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.10 : 4,502.90 = 3,207.10 : x
  2. Step 2: Convert to fraction form
    3,207.10/4,502.90 = 3,207.10/x
  3. Step 3: Cross multiply
    3,207.10x = 4,502.90 × 3,207.10
  4. Step 4: Simplify right side
    3,207.10x = 14,441,250.59
  5. Step 5: Solve for x
    x = 14,441,250.59/3,207.10
  6. Step 6: Final answer
    x = 4,502.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.