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Finding the Fourth Proportional to 4,775.52, 7,124.50 and 4,517.17

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Solution

The fourth proportional to 4,775.52, 7,124.50 and 4,517.17 is: 6,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.52 : 7,124.50 = 4,517.17 : x
  2. Step 2: Convert to fraction form
    4,775.52/7,124.50 = 4,517.17/x
  3. Step 3: Cross multiply
    4,775.52x = 7,124.50 × 4,517.17
  4. Step 4: Simplify right side
    4,775.52x = 32,182,577.67
  5. Step 5: Solve for x
    x = 32,182,577.67/4,775.52
  6. Step 6: Final answer
    x = 6,739.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.