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Finding the Fourth Proportional to 74,776.44, 112,164.90 and 22,186.32

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Solution

The fourth proportional to 74,776.44, 112,164.90 and 22,186.32 is: 33,279.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,776.44 : 112,164.90 = 22,186.32 : x
  2. Step 2: Convert to fraction form
    74,776.44/112,164.90 = 22,186.32/x
  3. Step 3: Cross multiply
    74,776.44x = 112,164.90 × 22,186.32
  4. Step 4: Simplify right side
    74,776.44x = 2,488,526,364.17
  5. Step 5: Solve for x
    x = 2,488,526,364.17/74,776.44
  6. Step 6: Final answer
    x = 33,279.55

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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.