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Finding the Fourth Proportional to 63,442.85, 87,544.72 and 37,944.16

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Solution

The fourth proportional to 63,442.85, 87,544.72 and 37,944.16 is: 52,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,442.85 : 87,544.72 = 37,944.16 : x
  2. Step 2: Convert to fraction form
    63,442.85/87,544.72 = 37,944.16/x
  3. Step 3: Cross multiply
    63,442.85x = 87,544.72 × 37,944.16
  4. Step 4: Simplify right side
    63,442.85x = 3,321,810,549.11
  5. Step 5: Solve for x
    x = 3,321,810,549.11/63,442.85
  6. Step 6: Final answer
    x = 52,359.10

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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.