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Finding the Fourth Proportional to 48,969.84, 67,578.12 and 26,613.84

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Solution

The fourth proportional to 48,969.84, 67,578.12 and 26,613.84 is: 36,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969.84 : 67,578.12 = 26,613.84 : x
  2. Step 2: Convert to fraction form
    48,969.84/67,578.12 = 26,613.84/x
  3. Step 3: Cross multiply
    48,969.84x = 67,578.12 × 26,613.84
  4. Step 4: Simplify right side
    48,969.84x = 1,798,513,273.18
  5. Step 5: Solve for x
    x = 1,798,513,273.18/48,969.84
  6. Step 6: Final answer
    x = 36,726.96

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1.5x scale

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.