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Finding the Fourth Proportional to 35,079.80, 48,394.71 and 20,924.46

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Solution

The fourth proportional to 35,079.80, 48,394.71 and 20,924.46 is: 28,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,079.80 : 48,394.71 = 20,924.46 : x
  2. Step 2: Convert to fraction form
    35,079.80/48,394.71 = 20,924.46/x
  3. Step 3: Cross multiply
    35,079.80x = 48,394.71 × 20,924.46
  4. Step 4: Simplify right side
    35,079.80x = 1,012,633,173.61
  5. Step 5: Solve for x
    x = 1,012,633,173.61/35,079.80
  6. Step 6: Final answer
    x = 28,866.56

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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.