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Finding the Fourth Proportional to 40,442.40, 60,728.40 and 27,352.80

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Solution

The fourth proportional to 40,442.40, 60,728.40 and 27,352.80 is: 41,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.40 : 60,728.40 = 27,352.80 : x
  2. Step 2: Convert to fraction form
    40,442.40/60,728.40 = 27,352.80/x
  3. Step 3: Cross multiply
    40,442.40x = 60,728.40 × 27,352.80
  4. Step 4: Simplify right side
    40,442.40x = 1,661,091,779.52
  5. Step 5: Solve for x
    x = 1,661,091,779.52/40,442.40
  6. Step 6: Final answer
    x = 41,073.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.