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Finding the Fourth Proportional to 26,058.88, 35,965.92 and 15,454.40

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Solution

The fourth proportional to 26,058.88, 35,965.92 and 15,454.40 is: 21,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,058.88 : 35,965.92 = 15,454.40 : x
  2. Step 2: Convert to fraction form
    26,058.88/35,965.92 = 15,454.40/x
  3. Step 3: Cross multiply
    26,058.88x = 35,965.92 × 15,454.40
  4. Step 4: Simplify right side
    26,058.88x = 555,831,714.05
  5. Step 5: Solve for x
    x = 555,831,714.05/26,058.88
  6. Step 6: Final answer
    x = 21,329.84

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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.