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Finding the Fourth Proportional to 48,969, 67,577.76 and 26,613

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Solution

The fourth proportional to 48,969, 67,577.76 and 26,613 is: 36,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,969 : 67,577.76 = 26,613 : x
  2. Step 2: Convert to fraction form
    48,969/67,577.76 = 26,613/x
  3. Step 3: Cross multiply
    48,969x = 67,577.76 × 26,613
  4. Step 4: Simplify right side
    48,969x = 1,798,446,926.88
  5. Step 5: Solve for x
    x = 1,798,446,926.88/48,969
  6. Step 6: Final answer
    x = 36,726.23

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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.