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Finding the Fourth Proportional to 4,167.30, 6,238.80 and 4,045.80

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Solution

The fourth proportional to 4,167.30, 6,238.80 and 4,045.80 is: 6,056.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.30 : 6,238.80 = 4,045.80 : x
  2. Step 2: Convert to fraction form
    4,167.30/6,238.80 = 4,045.80/x
  3. Step 3: Cross multiply
    4,167.30x = 6,238.80 × 4,045.80
  4. Step 4: Simplify right side
    4,167.30x = 25,240,937.04
  5. Step 5: Solve for x
    x = 25,240,937.04/4,167.30
  6. Step 6: Final answer
    x = 6,056.90

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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.