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Finding the Fourth Proportional to 24,641.60, 36,904.80 and 18,766.40

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Solution

The fourth proportional to 24,641.60, 36,904.80 and 18,766.40 is: 28,105.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,641.60 : 36,904.80 = 18,766.40 : x
  2. Step 2: Convert to fraction form
    24,641.60/36,904.80 = 18,766.40/x
  3. Step 3: Cross multiply
    24,641.60x = 36,904.80 × 18,766.40
  4. Step 4: Simplify right side
    24,641.60x = 692,570,238.72
  5. Step 5: Solve for x
    x = 692,570,238.72/24,641.60
  6. Step 6: Final answer
    x = 28,105.73

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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.