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Finding the Fourth Proportional to 60,012.48, 82,815.84 and 33,153.60

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Solution

The fourth proportional to 60,012.48, 82,815.84 and 33,153.60 is: 45,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.48 : 82,815.84 = 33,153.60 : x
  2. Step 2: Convert to fraction form
    60,012.48/82,815.84 = 33,153.60/x
  3. Step 3: Cross multiply
    60,012.48x = 82,815.84 × 33,153.60
  4. Step 4: Simplify right side
    60,012.48x = 2,745,643,233.02
  5. Step 5: Solve for x
    x = 2,745,643,233.02/60,012.48
  6. Step 6: Final answer
    x = 45,751.20

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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.