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Finding the Fourth Proportional to 26,502.46, 36,605.46 and 19,321

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Solution

The fourth proportional to 26,502.46, 36,605.46 and 19,321 is: 26,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,502.46 : 36,605.46 = 19,321 : x
  2. Step 2: Convert to fraction form
    26,502.46/36,605.46 = 19,321/x
  3. Step 3: Cross multiply
    26,502.46x = 36,605.46 × 19,321
  4. Step 4: Simplify right side
    26,502.46x = 707,254,092.66
  5. Step 5: Solve for x
    x = 707,254,092.66/26,502.46
  6. Step 6: Final answer
    x = 26,686.36

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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.