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Finding the Fourth Proportional to 69,831.03, 96,366.21 and 37,999.95

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Solution

The fourth proportional to 69,831.03, 96,366.21 and 37,999.95 is: 52,439.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,831.03 : 96,366.21 = 37,999.95 : x
  2. Step 2: Convert to fraction form
    69,831.03/96,366.21 = 37,999.95/x
  3. Step 3: Cross multiply
    69,831.03x = 96,366.21 × 37,999.95
  4. Step 4: Simplify right side
    69,831.03x = 3,661,911,199.88
  5. Step 5: Solve for x
    x = 3,661,911,199.88/69,831.03
  6. Step 6: Final answer
    x = 52,439.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.