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Finding the Fourth Proportional to 61,698.47, 92,584.71 and 26,638.10

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Solution

The fourth proportional to 61,698.47, 92,584.71 and 26,638.10 is: 39,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,698.47 : 92,584.71 = 26,638.10 : x
  2. Step 2: Convert to fraction form
    61,698.47/92,584.71 = 26,638.10/x
  3. Step 3: Cross multiply
    61,698.47x = 92,584.71 × 26,638.10
  4. Step 4: Simplify right side
    61,698.47x = 2,466,280,763.45
  5. Step 5: Solve for x
    x = 2,466,280,763.45/61,698.47
  6. Step 6: Final answer
    x = 39,973.13

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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.