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Finding the Fourth Proportional to 5,748.17, 8,612.68 and 4,359.88

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Solution

The fourth proportional to 5,748.17, 8,612.68 and 4,359.88 is: 6,532.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,748.17 : 8,612.68 = 4,359.88 : x
  2. Step 2: Convert to fraction form
    5,748.17/8,612.68 = 4,359.88/x
  3. Step 3: Cross multiply
    5,748.17x = 8,612.68 × 4,359.88
  4. Step 4: Simplify right side
    5,748.17x = 37,550,210.87
  5. Step 5: Solve for x
    x = 37,550,210.87/5,748.17
  6. Step 6: Final answer
    x = 6,532.56

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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.