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Finding the Fourth Proportional to 26,079.64, 35,976.02 and 15,873.77

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Solution

The fourth proportional to 26,079.64, 35,976.02 and 15,873.77 is: 21,897.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.64 : 35,976.02 = 15,873.77 : x
  2. Step 2: Convert to fraction form
    26,079.64/35,976.02 = 15,873.77/x
  3. Step 3: Cross multiply
    26,079.64x = 35,976.02 × 15,873.77
  4. Step 4: Simplify right side
    26,079.64x = 571,075,077.57
  5. Step 5: Solve for x
    x = 571,075,077.57/26,079.64
  6. Step 6: Final answer
    x = 21,897.35

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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.