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Finding the Fourth Proportional to 24,521.68, 36,771.72 and 6,987.52

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Solution

The fourth proportional to 24,521.68, 36,771.72 and 6,987.52 is: 10,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,521.68 : 36,771.72 = 6,987.52 : x
  2. Step 2: Convert to fraction form
    24,521.68/36,771.72 = 6,987.52/x
  3. Step 3: Cross multiply
    24,521.68x = 36,771.72 × 6,987.52
  4. Step 4: Simplify right side
    24,521.68x = 256,943,128.93
  5. Step 5: Solve for x
    x = 256,943,128.93/24,521.68
  6. Step 6: Final answer
    x = 10,478.20

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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.