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Finding the Fourth Proportional to 27,061.72, 40,532.04 and 15,649.64

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Solution

The fourth proportional to 27,061.72, 40,532.04 and 15,649.64 is: 23,439.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.72 : 40,532.04 = 15,649.64 : x
  2. Step 2: Convert to fraction form
    27,061.72/40,532.04 = 15,649.64/x
  3. Step 3: Cross multiply
    27,061.72x = 40,532.04 × 15,649.64
  4. Step 4: Simplify right side
    27,061.72x = 634,311,834.47
  5. Step 5: Solve for x
    x = 634,311,834.47/27,061.72
  6. Step 6: Final answer
    x = 23,439.45

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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.