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Finding the Fourth Proportional to 41,601.60, 62,407.80 and 20,552.40

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Solution

The fourth proportional to 41,601.60, 62,407.80 and 20,552.40 is: 30,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,601.60 : 62,407.80 = 20,552.40 : x
  2. Step 2: Convert to fraction form
    41,601.60/62,407.80 = 20,552.40/x
  3. Step 3: Cross multiply
    41,601.60x = 62,407.80 × 20,552.40
  4. Step 4: Simplify right side
    41,601.60x = 1,282,630,068.72
  5. Step 5: Solve for x
    x = 1,282,630,068.72/41,601.60
  6. Step 6: Final answer
    x = 30,831.27

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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.