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Finding the Fourth Proportional to 5,061.56, 6,989.10 and 3,486.92

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Solution

The fourth proportional to 5,061.56, 6,989.10 and 3,486.92 is: 4,814.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.56 : 6,989.10 = 3,486.92 : x
  2. Step 2: Convert to fraction form
    5,061.56/6,989.10 = 3,486.92/x
  3. Step 3: Cross multiply
    5,061.56x = 6,989.10 × 3,486.92
  4. Step 4: Simplify right side
    5,061.56x = 24,370,432.57
  5. Step 5: Solve for x
    x = 24,370,432.57/5,061.56
  6. Step 6: Final answer
    x = 4,814.81

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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.