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Finding the Fourth Proportional to 24,437.70, 36,656.55 and 21,157.20

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Solution

The fourth proportional to 24,437.70, 36,656.55 and 21,157.20 is: 31,735.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,437.70 : 36,656.55 = 21,157.20 : x
  2. Step 2: Convert to fraction form
    24,437.70/36,656.55 = 21,157.20/x
  3. Step 3: Cross multiply
    24,437.70x = 36,656.55 × 21,157.20
  4. Step 4: Simplify right side
    24,437.70x = 775,549,959.66
  5. Step 5: Solve for x
    x = 775,549,959.66/24,437.70
  6. Step 6: Final answer
    x = 31,735.80

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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.