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Finding the Fourth Proportional to 60,881.36, 83,986.94 and 38,209.14

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Solution

The fourth proportional to 60,881.36, 83,986.94 and 38,209.14 is: 52,710.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,881.36 : 83,986.94 = 38,209.14 : x
  2. Step 2: Convert to fraction form
    60,881.36/83,986.94 = 38,209.14/x
  3. Step 3: Cross multiply
    60,881.36x = 83,986.94 × 38,209.14
  4. Step 4: Simplify right side
    60,881.36x = 3,209,068,844.15
  5. Step 5: Solve for x
    x = 3,209,068,844.15/60,881.36
  6. Step 6: Final answer
    x = 52,710.21

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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.