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Finding the Fourth Proportional to 7,068.18, 9,752.18 and 4,234.80

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Solution

The fourth proportional to 7,068.18, 9,752.18 and 4,234.80 is: 5,842.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.18 : 9,752.18 = 4,234.80 : x
  2. Step 2: Convert to fraction form
    7,068.18/9,752.18 = 4,234.80/x
  3. Step 3: Cross multiply
    7,068.18x = 9,752.18 × 4,234.80
  4. Step 4: Simplify right side
    7,068.18x = 41,298,531.86
  5. Step 5: Solve for x
    x = 41,298,531.86/7,068.18
  6. Step 6: Final answer
    x = 5,842.88

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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.