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Finding the Fourth Proportional to 3,518.43, 5,275.54 and 2,347.71

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Solution

The fourth proportional to 3,518.43, 5,275.54 and 2,347.71 is: 3,520.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.43 : 5,275.54 = 2,347.71 : x
  2. Step 2: Convert to fraction form
    3,518.43/5,275.54 = 2,347.71/x
  3. Step 3: Cross multiply
    3,518.43x = 5,275.54 × 2,347.71
  4. Step 4: Simplify right side
    3,518.43x = 12,385,438.01
  5. Step 5: Solve for x
    x = 12,385,438.01/3,518.43
  6. Step 6: Final answer
    x = 3,520.16

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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.