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Finding the Fourth Proportional to 56,953.39, 85,447.42 and 26,990.58

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Solution

The fourth proportional to 56,953.39, 85,447.42 and 26,990.58 is: 40,494.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.39 : 85,447.42 = 26,990.58 : x
  2. Step 2: Convert to fraction form
    56,953.39/85,447.42 = 26,990.58/x
  3. Step 3: Cross multiply
    56,953.39x = 85,447.42 × 26,990.58
  4. Step 4: Simplify right side
    56,953.39x = 2,306,275,290.35
  5. Step 5: Solve for x
    x = 2,306,275,290.35/56,953.39
  6. Step 6: Final answer
    x = 40,494.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.