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Finding the Fourth Proportional to 58,548.55, 80,797.20 and 31,691.05

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Solution

The fourth proportional to 58,548.55, 80,797.20 and 31,691.05 is: 43,733.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.55 : 80,797.20 = 31,691.05 : x
  2. Step 2: Convert to fraction form
    58,548.55/80,797.20 = 31,691.05/x
  3. Step 3: Cross multiply
    58,548.55x = 80,797.20 × 31,691.05
  4. Step 4: Simplify right side
    58,548.55x = 2,560,547,784.23
  5. Step 5: Solve for x
    x = 2,560,547,784.23/58,548.55
  6. Step 6: Final answer
    x = 43,733.75

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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.