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Finding the Fourth Proportional to 61,859.40, 92,778.81 and 17,476.02

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Solution

The fourth proportional to 61,859.40, 92,778.81 and 17,476.02 is: 26,211.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,859.40 : 92,778.81 = 17,476.02 : x
  2. Step 2: Convert to fraction form
    61,859.40/92,778.81 = 17,476.02/x
  3. Step 3: Cross multiply
    61,859.40x = 92,778.81 × 17,476.02
  4. Step 4: Simplify right side
    61,859.40x = 1,621,404,339.14
  5. Step 5: Solve for x
    x = 1,621,404,339.14/61,859.40
  6. Step 6: Final answer
    x = 26,211.12

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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.