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Finding the Fourth Proportional to 34,263, 47,282.94 and 19,359

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Solution

The fourth proportional to 34,263, 47,282.94 and 19,359 is: 26,715.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,263 : 47,282.94 = 19,359 : x
  2. Step 2: Convert to fraction form
    34,263/47,282.94 = 19,359/x
  3. Step 3: Cross multiply
    34,263x = 47,282.94 × 19,359
  4. Step 4: Simplify right side
    34,263x = 915,350,435.46
  5. Step 5: Solve for x
    x = 915,350,435.46/34,263
  6. Step 6: Final answer
    x = 26,715.42

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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.