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Finding the Fourth Proportional to 5,510.84, 8,251.78 and 4,631.16

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Solution

The fourth proportional to 5,510.84, 8,251.78 and 4,631.16 is: 6,934.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.84 : 8,251.78 = 4,631.16 : x
  2. Step 2: Convert to fraction form
    5,510.84/8,251.78 = 4,631.16/x
  3. Step 3: Cross multiply
    5,510.84x = 8,251.78 × 4,631.16
  4. Step 4: Simplify right side
    5,510.84x = 38,215,313.46
  5. Step 5: Solve for x
    x = 38,215,313.46/5,510.84
  6. Step 6: Final answer
    x = 6,934.57

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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.