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Finding the Fourth Proportional to 60,728.66, 83,807.21 and 33,876.40

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Solution

The fourth proportional to 60,728.66, 83,807.21 and 33,876.40 is: 46,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728.66 : 83,807.21 = 33,876.40 : x
  2. Step 2: Convert to fraction form
    60,728.66/83,807.21 = 33,876.40/x
  3. Step 3: Cross multiply
    60,728.66x = 83,807.21 × 33,876.40
  4. Step 4: Simplify right side
    60,728.66x = 2,839,086,646.31
  5. Step 5: Solve for x
    x = 2,839,086,646.31/60,728.66
  6. Step 6: Final answer
    x = 46,750.36

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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.