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Finding the Fourth Proportional to 61,818, 85,308.84 and 33,523.71

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Solution

The fourth proportional to 61,818, 85,308.84 and 33,523.71 is: 46,262.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,818 : 85,308.84 = 33,523.71 : x
  2. Step 2: Convert to fraction form
    61,818/85,308.84 = 33,523.71/x
  3. Step 3: Cross multiply
    61,818x = 85,308.84 × 33,523.71
  4. Step 4: Simplify right side
    61,818x = 2,859,868,812.60
  5. Step 5: Solve for x
    x = 2,859,868,812.60/61,818
  6. Step 6: Final answer
    x = 46,262.72

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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.