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Finding the Fourth Proportional to 24,573.60, 36,860.40 and 21,040.80

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Solution

The fourth proportional to 24,573.60, 36,860.40 and 21,040.80 is: 31,561.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,573.60 : 36,860.40 = 21,040.80 : x
  2. Step 2: Convert to fraction form
    24,573.60/36,860.40 = 21,040.80/x
  3. Step 3: Cross multiply
    24,573.60x = 36,860.40 × 21,040.80
  4. Step 4: Simplify right side
    24,573.60x = 775,572,304.32
  5. Step 5: Solve for x
    x = 775,572,304.32/24,573.60
  6. Step 6: Final answer
    x = 31,561.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.