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Finding the Fourth Proportional to 5,541.32, 8,279.52 and 5,347.52

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Solution

The fourth proportional to 5,541.32, 8,279.52 and 5,347.52 is: 7,989.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.32 : 8,279.52 = 5,347.52 : x
  2. Step 2: Convert to fraction form
    5,541.32/8,279.52 = 5,347.52/x
  3. Step 3: Cross multiply
    5,541.32x = 8,279.52 × 5,347.52
  4. Step 4: Simplify right side
    5,541.32x = 44,274,898.79
  5. Step 5: Solve for x
    x = 44,274,898.79/5,541.32
  6. Step 6: Final answer
    x = 7,989.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.