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Finding the Fourth Proportional to 35,167.79, 48,532.89 and 20,062.91

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Solution

The fourth proportional to 35,167.79, 48,532.89 and 20,062.91 is: 27,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,167.79 : 48,532.89 = 20,062.91 : x
  2. Step 2: Convert to fraction form
    35,167.79/48,532.89 = 20,062.91/x
  3. Step 3: Cross multiply
    35,167.79x = 48,532.89 × 20,062.91
  4. Step 4: Simplify right side
    35,167.79x = 973,710,761.45
  5. Step 5: Solve for x
    x = 973,710,761.45/35,167.79
  6. Step 6: Final answer
    x = 27,687.58

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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.