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Finding the Fourth Proportional to 75,282, 112,974.84 and 26,034

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Solution

The fourth proportional to 75,282, 112,974.84 and 26,034 is: 39,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,282 : 112,974.84 = 26,034 : x
  2. Step 2: Convert to fraction form
    75,282/112,974.84 = 26,034/x
  3. Step 3: Cross multiply
    75,282x = 112,974.84 × 26,034
  4. Step 4: Simplify right side
    75,282x = 2,941,186,984.56
  5. Step 5: Solve for x
    x = 2,941,186,984.56/75,282
  6. Step 6: Final answer
    x = 39,068.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.