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Finding the Fourth Proportional to 61,648.22, 92,464.54 and 19,532.58

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Solution

The fourth proportional to 61,648.22, 92,464.54 and 19,532.58 is: 29,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,648.22 : 92,464.54 = 19,532.58 : x
  2. Step 2: Convert to fraction form
    61,648.22/92,464.54 = 19,532.58/x
  3. Step 3: Cross multiply
    61,648.22x = 92,464.54 × 19,532.58
  4. Step 4: Simplify right side
    61,648.22x = 1,806,070,702.39
  5. Step 5: Solve for x
    x = 1,806,070,702.39/61,648.22
  6. Step 6: Final answer
    x = 29,296.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.