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Finding the Fourth Proportional to 56,953.89, 85,448.16 and 26,991.08

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Solution

The fourth proportional to 56,953.89, 85,448.16 and 26,991.08 is: 40,494.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,953.89 : 85,448.16 = 26,991.08 : x
  2. Step 2: Convert to fraction form
    56,953.89/85,448.16 = 26,991.08/x
  3. Step 3: Cross multiply
    56,953.89x = 85,448.16 × 26,991.08
  4. Step 4: Simplify right side
    56,953.89x = 2,306,338,122.41
  5. Step 5: Solve for x
    x = 2,306,338,122.41/56,953.89
  6. Step 6: Final answer
    x = 40,494.83

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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.