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Finding the Fourth Proportional to 6,508.17, 8,981.19 and 3,714.21

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Solution

The fourth proportional to 6,508.17, 8,981.19 and 3,714.21 is: 5,125.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,508.17 : 8,981.19 = 3,714.21 : x
  2. Step 2: Convert to fraction form
    6,508.17/8,981.19 = 3,714.21/x
  3. Step 3: Cross multiply
    6,508.17x = 8,981.19 × 3,714.21
  4. Step 4: Simplify right side
    6,508.17x = 33,358,025.71
  5. Step 5: Solve for x
    x = 33,358,025.71/6,508.17
  6. Step 6: Final answer
    x = 5,125.56

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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.