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Finding the Fourth Proportional to 60,812.80, 83,908.17 and 35,304.48

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Solution

The fourth proportional to 60,812.80, 83,908.17 and 35,304.48 is: 48,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,812.80 : 83,908.17 = 35,304.48 : x
  2. Step 2: Convert to fraction form
    60,812.80/83,908.17 = 35,304.48/x
  3. Step 3: Cross multiply
    60,812.80x = 83,908.17 × 35,304.48
  4. Step 4: Simplify right side
    60,812.80x = 2,962,334,309.60
  5. Step 5: Solve for x
    x = 2,962,334,309.60/60,812.80
  6. Step 6: Final answer
    x = 48,712.35

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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.