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Finding the Fourth Proportional to 74,808.83, 112,231.71 and 22,218.26

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Solution

The fourth proportional to 74,808.83, 112,231.71 and 22,218.26 is: 33,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,808.83 : 112,231.71 = 22,218.26 : x
  2. Step 2: Convert to fraction form
    74,808.83/112,231.71 = 22,218.26/x
  3. Step 3: Cross multiply
    74,808.83x = 112,231.71 × 22,218.26
  4. Step 4: Simplify right side
    74,808.83x = 2,493,592,751.87
  5. Step 5: Solve for x
    x = 2,493,592,751.87/74,808.83
  6. Step 6: Final answer
    x = 33,332.87

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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.