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Finding the Fourth Proportional to 5,043.20, 7,572.99 and 5,004.92

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Solution

The fourth proportional to 5,043.20, 7,572.99 and 5,004.92 is: 7,515.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.20 : 7,572.99 = 5,004.92 : x
  2. Step 2: Convert to fraction form
    5,043.20/7,572.99 = 5,004.92/x
  3. Step 3: Cross multiply
    5,043.20x = 7,572.99 × 5,004.92
  4. Step 4: Simplify right side
    5,043.20x = 37,902,246.81
  5. Step 5: Solve for x
    x = 37,902,246.81/5,043.20
  6. Step 6: Final answer
    x = 7,515.52

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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.