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Finding the Fourth Proportional to 35,279.84, 48,686.08 and 19,364

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Solution

The fourth proportional to 35,279.84, 48,686.08 and 19,364 is: 26,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.84 : 48,686.08 = 19,364 : x
  2. Step 2: Convert to fraction form
    35,279.84/48,686.08 = 19,364/x
  3. Step 3: Cross multiply
    35,279.84x = 48,686.08 × 19,364
  4. Step 4: Simplify right side
    35,279.84x = 942,757,253.12
  5. Step 5: Solve for x
    x = 942,757,253.12/35,279.84
  6. Step 6: Final answer
    x = 26,722.27

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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.