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Finding the Fourth Proportional to 60,604.60, 90,831.30 and 31,034.20

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Solution

The fourth proportional to 60,604.60, 90,831.30 and 31,034.20 is: 46,512.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,604.60 : 90,831.30 = 31,034.20 : x
  2. Step 2: Convert to fraction form
    60,604.60/90,831.30 = 31,034.20/x
  3. Step 3: Cross multiply
    60,604.60x = 90,831.30 × 31,034.20
  4. Step 4: Simplify right side
    60,604.60x = 2,818,876,730.46
  5. Step 5: Solve for x
    x = 2,818,876,730.46/60,604.60
  6. Step 6: Final answer
    x = 46,512.59

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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.