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Finding the Fourth Proportional to 35,043.74, 48,358.82 and 19,934.61

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Solution

The fourth proportional to 35,043.74, 48,358.82 and 19,934.61 is: 27,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,043.74 : 48,358.82 = 19,934.61 : x
  2. Step 2: Convert to fraction form
    35,043.74/48,358.82 = 19,934.61/x
  3. Step 3: Cross multiply
    35,043.74x = 48,358.82 × 19,934.61
  4. Step 4: Simplify right side
    35,043.74x = 964,014,085.25
  5. Step 5: Solve for x
    x = 964,014,085.25/35,043.74
  6. Step 6: Final answer
    x = 27,508.88

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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.