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Finding the Fourth Proportional to 5,494.76, 7,582.78 and 3,010.76

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Solution

The fourth proportional to 5,494.76, 7,582.78 and 3,010.76 is: 4,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,494.76 : 7,582.78 = 3,010.76 : x
  2. Step 2: Convert to fraction form
    5,494.76/7,582.78 = 3,010.76/x
  3. Step 3: Cross multiply
    5,494.76x = 7,582.78 × 3,010.76
  4. Step 4: Simplify right side
    5,494.76x = 22,829,930.71
  5. Step 5: Solve for x
    x = 22,829,930.71/5,494.76
  6. Step 6: Final answer
    x = 4,154.85

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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.