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Finding the Fourth Proportional to 63,574.16, 87,731.52 and 35,279.24

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Solution

The fourth proportional to 63,574.16, 87,731.52 and 35,279.24 is: 48,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.16 : 87,731.52 = 35,279.24 : x
  2. Step 2: Convert to fraction form
    63,574.16/87,731.52 = 35,279.24/x
  3. Step 3: Cross multiply
    63,574.16x = 87,731.52 × 35,279.24
  4. Step 4: Simplify right side
    63,574.16x = 3,095,101,349.64
  5. Step 5: Solve for x
    x = 3,095,101,349.64/63,574.16
  6. Step 6: Final answer
    x = 48,684.90

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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.