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Finding the Fourth Proportional to 61,643.70, 92,466.18 and 19,523.01

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Solution

The fourth proportional to 61,643.70, 92,466.18 and 19,523.01 is: 29,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,643.70 : 92,466.18 = 19,523.01 : x
  2. Step 2: Convert to fraction form
    61,643.70/92,466.18 = 19,523.01/x
  3. Step 3: Cross multiply
    61,643.70x = 92,466.18 × 19,523.01
  4. Step 4: Simplify right side
    61,643.70x = 1,805,218,156.80
  5. Step 5: Solve for x
    x = 1,805,218,156.80/61,643.70
  6. Step 6: Final answer
    x = 29,284.71

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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.