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Finding the Fourth Proportional to 74,512.89, 111,774.78 and 24,590.97

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Solution

The fourth proportional to 74,512.89, 111,774.78 and 24,590.97 is: 36,888.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,512.89 : 111,774.78 = 24,590.97 : x
  2. Step 2: Convert to fraction form
    74,512.89/111,774.78 = 24,590.97/x
  3. Step 3: Cross multiply
    74,512.89x = 111,774.78 × 24,590.97
  4. Step 4: Simplify right side
    74,512.89x = 2,748,650,261.74
  5. Step 5: Solve for x
    x = 2,748,650,261.74/74,512.89
  6. Step 6: Final answer
    x = 36,888.25

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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.