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Finding the Fourth Proportional to 75,085.92, 112,632.62 and 22,490.39

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Solution

The fourth proportional to 75,085.92, 112,632.62 and 22,490.39 is: 33,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,085.92 : 112,632.62 = 22,490.39 : x
  2. Step 2: Convert to fraction form
    75,085.92/112,632.62 = 22,490.39/x
  3. Step 3: Cross multiply
    75,085.92x = 112,632.62 × 22,490.39
  4. Step 4: Simplify right side
    75,085.92x = 2,533,151,888.33
  5. Step 5: Solve for x
    x = 2,533,151,888.33/75,085.92
  6. Step 6: Final answer
    x = 33,736.71

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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.