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Finding the Fourth Proportional to 61,600.66, 85,008.75 and 33,306.34

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Solution

The fourth proportional to 61,600.66, 85,008.75 and 33,306.34 is: 45,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,600.66 : 85,008.75 = 33,306.34 : x
  2. Step 2: Convert to fraction form
    61,600.66/85,008.75 = 33,306.34/x
  3. Step 3: Cross multiply
    61,600.66x = 85,008.75 × 33,306.34
  4. Step 4: Simplify right side
    61,600.66x = 2,831,330,330.48
  5. Step 5: Solve for x
    x = 2,831,330,330.48/61,600.66
  6. Step 6: Final answer
    x = 45,962.66

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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.