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Finding the Fourth Proportional to 61,701.60, 92,422.80 and 33,967.20

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Solution

The fourth proportional to 61,701.60, 92,422.80 and 33,967.20 is: 50,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.60 : 92,422.80 = 33,967.20 : x
  2. Step 2: Convert to fraction form
    61,701.60/92,422.80 = 33,967.20/x
  3. Step 3: Cross multiply
    61,701.60x = 92,422.80 × 33,967.20
  4. Step 4: Simplify right side
    61,701.60x = 3,139,343,732.16
  5. Step 5: Solve for x
    x = 3,139,343,732.16/61,701.60
  6. Step 6: Final answer
    x = 50,879.45

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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.