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Finding the Fourth Proportional to 5,004.73, 7,510.95 and 4,747.78

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Solution

The fourth proportional to 5,004.73, 7,510.95 and 4,747.78 is: 7,125.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,004.73 : 7,510.95 = 4,747.78 : x
  2. Step 2: Convert to fraction form
    5,004.73/7,510.95 = 4,747.78/x
  3. Step 3: Cross multiply
    5,004.73x = 7,510.95 × 4,747.78
  4. Step 4: Simplify right side
    5,004.73x = 35,660,314.45
  5. Step 5: Solve for x
    x = 35,660,314.45/5,004.73
  6. Step 6: Final answer
    x = 7,125.32

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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.