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Finding the Fourth Proportional to 4,981.68, 7,472.52 and 4,340.16

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Solution

The fourth proportional to 4,981.68, 7,472.52 and 4,340.16 is: 6,510.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.68 : 7,472.52 = 4,340.16 : x
  2. Step 2: Convert to fraction form
    4,981.68/7,472.52 = 4,340.16/x
  3. Step 3: Cross multiply
    4,981.68x = 7,472.52 × 4,340.16
  4. Step 4: Simplify right side
    4,981.68x = 32,431,932.40
  5. Step 5: Solve for x
    x = 32,431,932.40/4,981.68
  6. Step 6: Final answer
    x = 6,510.24

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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.