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Finding the Fourth Proportional to 61,291.80, 91,937.70 and 23,853.60

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Solution

The fourth proportional to 61,291.80, 91,937.70 and 23,853.60 is: 35,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,291.80 : 91,937.70 = 23,853.60 : x
  2. Step 2: Convert to fraction form
    61,291.80/91,937.70 = 23,853.60/x
  3. Step 3: Cross multiply
    61,291.80x = 91,937.70 × 23,853.60
  4. Step 4: Simplify right side
    61,291.80x = 2,193,045,120.72
  5. Step 5: Solve for x
    x = 2,193,045,120.72/61,291.80
  6. Step 6: Final answer
    x = 35,780.40

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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.