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Finding the Fourth Proportional to 26,549.52, 36,643.16 and 15,371.52

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Solution

The fourth proportional to 26,549.52, 36,643.16 and 15,371.52 is: 21,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,549.52 : 36,643.16 = 15,371.52 : x
  2. Step 2: Convert to fraction form
    26,549.52/36,643.16 = 15,371.52/x
  3. Step 3: Cross multiply
    26,549.52x = 36,643.16 × 15,371.52
  4. Step 4: Simplify right side
    26,549.52x = 563,261,066.80
  5. Step 5: Solve for x
    x = 563,261,066.80/26,549.52
  6. Step 6: Final answer
    x = 21,215.49

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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.