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Finding the Fourth Proportional to 61,076.30, 84,290.22 and 34,224.80

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Solution

The fourth proportional to 61,076.30, 84,290.22 and 34,224.80 is: 47,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,076.30 : 84,290.22 = 34,224.80 : x
  2. Step 2: Convert to fraction form
    61,076.30/84,290.22 = 34,224.80/x
  3. Step 3: Cross multiply
    61,076.30x = 84,290.22 × 34,224.80
  4. Step 4: Simplify right side
    61,076.30x = 2,884,815,921.46
  5. Step 5: Solve for x
    x = 2,884,815,921.46/61,076.30
  6. Step 6: Final answer
    x = 47,232.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.