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Finding the Fourth Proportional to 5,788.91, 7,988.84 and 3,549.49

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Solution

The fourth proportional to 5,788.91, 7,988.84 and 3,549.49 is: 4,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,788.91 : 7,988.84 = 3,549.49 : x
  2. Step 2: Convert to fraction form
    5,788.91/7,988.84 = 3,549.49/x
  3. Step 3: Cross multiply
    5,788.91x = 7,988.84 × 3,549.49
  4. Step 4: Simplify right side
    5,788.91x = 28,356,332.10
  5. Step 5: Solve for x
    x = 28,356,332.10/5,788.91
  6. Step 6: Final answer
    x = 4,898.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.