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Finding the Fourth Proportional to 60,005.68, 82,812.68 and 33,150.53

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Solution

The fourth proportional to 60,005.68, 82,812.68 and 33,150.53 is: 45,750.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.68 : 82,812.68 = 33,150.53 : x
  2. Step 2: Convert to fraction form
    60,005.68/82,812.68 = 33,150.53/x
  3. Step 3: Cross multiply
    60,005.68x = 82,812.68 × 33,150.53
  4. Step 4: Simplify right side
    60,005.68x = 2,745,284,398.31
  5. Step 5: Solve for x
    x = 2,745,284,398.31/60,005.68
  6. Step 6: Final answer
    x = 45,750.41

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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.