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Finding the Fourth Proportional to 8,452.84, 12,681.18 and 4,557.16

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Solution

The fourth proportional to 8,452.84, 12,681.18 and 4,557.16 is: 6,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,452.84 : 12,681.18 = 4,557.16 : x
  2. Step 2: Convert to fraction form
    8,452.84/12,681.18 = 4,557.16/x
  3. Step 3: Cross multiply
    8,452.84x = 12,681.18 × 4,557.16
  4. Step 4: Simplify right side
    8,452.84x = 57,790,166.25
  5. Step 5: Solve for x
    x = 57,790,166.25/8,452.84
  6. Step 6: Final answer
    x = 6,836.78

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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.