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Finding the Fourth Proportional to 8,773.66, 13,155.60 and 3,573.46

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Solution

The fourth proportional to 8,773.66, 13,155.60 and 3,573.46 is: 5,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.66 : 13,155.60 = 3,573.46 : x
  2. Step 2: Convert to fraction form
    8,773.66/13,155.60 = 3,573.46/x
  3. Step 3: Cross multiply
    8,773.66x = 13,155.60 × 3,573.46
  4. Step 4: Simplify right side
    8,773.66x = 47,011,010.38
  5. Step 5: Solve for x
    x = 47,011,010.38/8,773.66
  6. Step 6: Final answer
    x = 5,358.20

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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.