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Finding the Fourth Proportional to 48,931.72, 67,525.80 and 26,575.72

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Solution

The fourth proportional to 48,931.72, 67,525.80 and 26,575.72 is: 36,674.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.72 : 67,525.80 = 26,575.72 : x
  2. Step 2: Convert to fraction form
    48,931.72/67,525.80 = 26,575.72/x
  3. Step 3: Cross multiply
    48,931.72x = 67,525.80 × 26,575.72
  4. Step 4: Simplify right side
    48,931.72x = 1,794,546,753.58
  5. Step 5: Solve for x
    x = 1,794,546,753.58/48,931.72
  6. Step 6: Final answer
    x = 36,674.51

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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.