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Finding the Fourth Proportional to 24,407.20, 36,610.80 and 21,110.50

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Solution

The fourth proportional to 24,407.20, 36,610.80 and 21,110.50 is: 31,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,407.20 : 36,610.80 = 21,110.50 : x
  2. Step 2: Convert to fraction form
    24,407.20/36,610.80 = 21,110.50/x
  3. Step 3: Cross multiply
    24,407.20x = 36,610.80 × 21,110.50
  4. Step 4: Simplify right side
    24,407.20x = 772,872,293.40
  5. Step 5: Solve for x
    x = 772,872,293.40/24,407.20
  6. Step 6: Final answer
    x = 31,665.75

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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.