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Finding the Fourth Proportional to 61,963.40, 92,945.10 and 17,585.80

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Solution

The fourth proportional to 61,963.40, 92,945.10 and 17,585.80 is: 26,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,963.40 : 92,945.10 = 17,585.80 : x
  2. Step 2: Convert to fraction form
    61,963.40/92,945.10 = 17,585.80/x
  3. Step 3: Cross multiply
    61,963.40x = 92,945.10 × 17,585.80
  4. Step 4: Simplify right side
    61,963.40x = 1,634,513,939.58
  5. Step 5: Solve for x
    x = 1,634,513,939.58/61,963.40
  6. Step 6: Final answer
    x = 26,378.70

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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.