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Finding the Fourth Proportional to 15,105.89, 22,652.93 and 5,740.94

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Solution

The fourth proportional to 15,105.89, 22,652.93 and 5,740.94 is: 8,609.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.89 : 22,652.93 = 5,740.94 : x
  2. Step 2: Convert to fraction form
    15,105.89/22,652.93 = 5,740.94/x
  3. Step 3: Cross multiply
    15,105.89x = 22,652.93 × 5,740.94
  4. Step 4: Simplify right side
    15,105.89x = 130,049,182.94
  5. Step 5: Solve for x
    x = 130,049,182.94/15,105.89
  6. Step 6: Final answer
    x = 8,609.17

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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.