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Finding the Fourth Proportional to 60,831.40, 83,899.14 and 36,957.40

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Solution

The fourth proportional to 60,831.40, 83,899.14 and 36,957.40 is: 50,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,831.40 : 83,899.14 = 36,957.40 : x
  2. Step 2: Convert to fraction form
    60,831.40/83,899.14 = 36,957.40/x
  3. Step 3: Cross multiply
    60,831.40x = 83,899.14 × 36,957.40
  4. Step 4: Simplify right side
    60,831.40x = 3,100,694,076.64
  5. Step 5: Solve for x
    x = 3,100,694,076.64/60,831.40
  6. Step 6: Final answer
    x = 50,971.93

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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.