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Finding the Fourth Proportional to 85,552.80, 128,290.80 and 32,944.80

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Solution

The fourth proportional to 85,552.80, 128,290.80 and 32,944.80 is: 49,402.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,552.80 : 128,290.80 = 32,944.80 : x
  2. Step 2: Convert to fraction form
    85,552.80/128,290.80 = 32,944.80/x
  3. Step 3: Cross multiply
    85,552.80x = 128,290.80 × 32,944.80
  4. Step 4: Simplify right side
    85,552.80x = 4,226,514,747.84
  5. Step 5: Solve for x
    x = 4,226,514,747.84/85,552.80
  6. Step 6: Final answer
    x = 49,402.41

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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.