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Finding the Fourth Proportional to 61,085.88, 91,630.62 and 23,126.86

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Solution

The fourth proportional to 61,085.88, 91,630.62 and 23,126.86 is: 34,690.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,085.88 : 91,630.62 = 23,126.86 : x
  2. Step 2: Convert to fraction form
    61,085.88/91,630.62 = 23,126.86/x
  3. Step 3: Cross multiply
    61,085.88x = 91,630.62 × 23,126.86
  4. Step 4: Simplify right side
    61,085.88x = 2,119,128,520.45
  5. Step 5: Solve for x
    x = 2,119,128,520.45/61,085.88
  6. Step 6: Final answer
    x = 34,690.97

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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.