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Finding the Fourth Proportional to 60,012.40, 82,815.60 and 33,152.80

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Solution

The fourth proportional to 60,012.40, 82,815.60 and 33,152.80 is: 45,750.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,012.40 : 82,815.60 = 33,152.80 : x
  2. Step 2: Convert to fraction form
    60,012.40/82,815.60 = 33,152.80/x
  3. Step 3: Cross multiply
    60,012.40x = 82,815.60 × 33,152.80
  4. Step 4: Simplify right side
    60,012.40x = 2,745,569,023.68
  5. Step 5: Solve for x
    x = 2,745,569,023.68/60,012.40
  6. Step 6: Final answer
    x = 45,750.03

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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.