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Finding the Fourth Proportional to 61,881.93, 85,394.57 and 33,587.01

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Solution

The fourth proportional to 61,881.93, 85,394.57 and 33,587.01 is: 46,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,881.93 : 85,394.57 = 33,587.01 : x
  2. Step 2: Convert to fraction form
    61,881.93/85,394.57 = 33,587.01/x
  3. Step 3: Cross multiply
    61,881.93x = 85,394.57 × 33,587.01
  4. Step 4: Simplify right side
    61,881.93x = 2,868,148,108.60
  5. Step 5: Solve for x
    x = 2,868,148,108.60/61,881.93
  6. Step 6: Final answer
    x = 46,348.72

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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.