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Finding the Fourth Proportional to 41,307.66, 61,963.80 and 11,723.16

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Solution

The fourth proportional to 41,307.66, 61,963.80 and 11,723.16 is: 17,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,307.66 : 61,963.80 = 11,723.16 : x
  2. Step 2: Convert to fraction form
    41,307.66/61,963.80 = 11,723.16/x
  3. Step 3: Cross multiply
    41,307.66x = 61,963.80 × 11,723.16
  4. Step 4: Simplify right side
    41,307.66x = 726,411,541.61
  5. Step 5: Solve for x
    x = 726,411,541.61/41,307.66
  6. Step 6: Final answer
    x = 17,585.40

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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.