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Finding the Fourth Proportional to 5,573.76, 8,357.68 and 1,874.79

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Solution

The fourth proportional to 5,573.76, 8,357.68 and 1,874.79 is: 2,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,573.76 : 8,357.68 = 1,874.79 : x
  2. Step 2: Convert to fraction form
    5,573.76/8,357.68 = 1,874.79/x
  3. Step 3: Cross multiply
    5,573.76x = 8,357.68 × 1,874.79
  4. Step 4: Simplify right side
    5,573.76x = 15,668,890.20
  5. Step 5: Solve for x
    x = 15,668,890.20/5,573.76
  6. Step 6: Final answer
    x = 2,811.19

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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.