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Finding the Fourth Proportional to 5,510.60, 8,257.10 and 4,951.10

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Solution

The fourth proportional to 5,510.60, 8,257.10 and 4,951.10 is: 7,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.60 : 8,257.10 = 4,951.10 : x
  2. Step 2: Convert to fraction form
    5,510.60/8,257.10 = 4,951.10/x
  3. Step 3: Cross multiply
    5,510.60x = 8,257.10 × 4,951.10
  4. Step 4: Simplify right side
    5,510.60x = 40,881,727.81
  5. Step 5: Solve for x
    x = 40,881,727.81/5,510.60
  6. Step 6: Final answer
    x = 7,418.74

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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.