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Finding the Fourth Proportional to 35,079.58, 48,404.49 and 19,972.88

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Solution

The fourth proportional to 35,079.58, 48,404.49 and 19,972.88 is: 27,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.58 : 48,404.49 = 19,972.88 : x
  2. Step 2: Convert to fraction form
    35,079.58/48,404.49 = 19,972.88/x
  3. Step 3: Cross multiply
    35,079.58x = 48,404.49 × 19,972.88
  4. Step 4: Simplify right side
    35,079.58x = 966,776,934.83
  5. Step 5: Solve for x
    x = 966,776,934.83/35,079.58
  6. Step 6: Final answer
    x = 27,559.53

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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.