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Finding the Fourth Proportional to 7,600.03, 10,487.84 and 4,242.75

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Solution

The fourth proportional to 7,600.03, 10,487.84 and 4,242.75 is: 5,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.03 : 10,487.84 = 4,242.75 : x
  2. Step 2: Convert to fraction form
    7,600.03/10,487.84 = 4,242.75/x
  3. Step 3: Cross multiply
    7,600.03x = 10,487.84 × 4,242.75
  4. Step 4: Simplify right side
    7,600.03x = 44,497,277.86
  5. Step 5: Solve for x
    x = 44,497,277.86/7,600.03
  6. Step 6: Final answer
    x = 5,854.88

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Half scale
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1.5x scale

Why These Related Problems?

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