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Finding the Fourth Proportional to 24,732.76, 36,878.52 and 21,985.24

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Solution

The fourth proportional to 24,732.76, 36,878.52 and 21,985.24 is: 32,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,732.76 : 36,878.52 = 21,985.24 : x
  2. Step 2: Convert to fraction form
    24,732.76/36,878.52 = 21,985.24/x
  3. Step 3: Cross multiply
    24,732.76x = 36,878.52 × 21,985.24
  4. Step 4: Simplify right side
    24,732.76x = 810,783,113.04
  5. Step 5: Solve for x
    x = 810,783,113.04/24,732.76
  6. Step 6: Final answer
    x = 32,781.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.