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Finding the Fourth Proportional to 49,017, 67,643.52 and 26,661

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Solution

The fourth proportional to 49,017, 67,643.52 and 26,661 is: 36,792.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,017 : 67,643.52 = 26,661 : x
  2. Step 2: Convert to fraction form
    49,017/67,643.52 = 26,661/x
  3. Step 3: Cross multiply
    49,017x = 67,643.52 × 26,661
  4. Step 4: Simplify right side
    49,017x = 1,803,443,886.72
  5. Step 5: Solve for x
    x = 1,803,443,886.72/49,017
  6. Step 6: Final answer
    x = 36,792.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.