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Finding the Fourth Proportional to 61,598.31, 85,005.86 and 33,304.20

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Solution

The fourth proportional to 61,598.31, 85,005.86 and 33,304.20 is: 45,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,598.31 : 85,005.86 = 33,304.20 : x
  2. Step 2: Convert to fraction form
    61,598.31/85,005.86 = 33,304.20/x
  3. Step 3: Cross multiply
    61,598.31x = 85,005.86 × 33,304.20
  4. Step 4: Simplify right side
    61,598.31x = 2,831,051,996.09
  5. Step 5: Solve for x
    x = 2,831,051,996.09/61,598.31
  6. Step 6: Final answer
    x = 45,959.90

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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.