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Finding the Fourth Proportional to 4,557.89, 6,839.72 and 2,613.89

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Solution

The fourth proportional to 4,557.89, 6,839.72 and 2,613.89 is: 3,922.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,557.89 : 6,839.72 = 2,613.89 : x
  2. Step 2: Convert to fraction form
    4,557.89/6,839.72 = 2,613.89/x
  3. Step 3: Cross multiply
    4,557.89x = 6,839.72 × 2,613.89
  4. Step 4: Simplify right side
    4,557.89x = 17,878,275.71
  5. Step 5: Solve for x
    x = 17,878,275.71/4,557.89
  6. Step 6: Final answer
    x = 3,922.49

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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.