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Finding the Fourth Proportional to 15,581.62, 23,372.61 and 7,259.26

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Solution

The fourth proportional to 15,581.62, 23,372.61 and 7,259.26 is: 10,888.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.62 : 23,372.61 = 7,259.26 : x
  2. Step 2: Convert to fraction form
    15,581.62/23,372.61 = 7,259.26/x
  3. Step 3: Cross multiply
    15,581.62x = 23,372.61 × 7,259.26
  4. Step 4: Simplify right side
    15,581.62x = 169,667,852.87
  5. Step 5: Solve for x
    x = 169,667,852.87/15,581.62
  6. Step 6: Final answer
    x = 10,888.97

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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.