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Finding the Fourth Proportional to 61,617.78, 85,032.54 and 33,323.46

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Solution

The fourth proportional to 61,617.78, 85,032.54 and 33,323.46 is: 45,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,617.78 : 85,032.54 = 33,323.46 : x
  2. Step 2: Convert to fraction form
    61,617.78/85,032.54 = 33,323.46/x
  3. Step 3: Cross multiply
    61,617.78x = 85,032.54 × 33,323.46
  4. Step 4: Simplify right side
    61,617.78x = 2,833,578,445.39
  5. Step 5: Solve for x
    x = 2,833,578,445.39/61,617.78
  6. Step 6: Final answer
    x = 45,986.38

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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.