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Finding the Fourth Proportional to 5,572.68, 8,352.54 and 2,974.20

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Solution

The fourth proportional to 5,572.68, 8,352.54 and 2,974.20 is: 4,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.68 : 8,352.54 = 2,974.20 : x
  2. Step 2: Convert to fraction form
    5,572.68/8,352.54 = 2,974.20/x
  3. Step 3: Cross multiply
    5,572.68x = 8,352.54 × 2,974.20
  4. Step 4: Simplify right side
    5,572.68x = 24,842,124.47
  5. Step 5: Solve for x
    x = 24,842,124.47/5,572.68
  6. Step 6: Final answer
    x = 4,457.84

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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.