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Finding the Fourth Proportional to 34,159.61, 51,246.71 and 11,974.34

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Solution

The fourth proportional to 34,159.61, 51,246.71 and 11,974.34 is: 17,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,159.61 : 51,246.71 = 11,974.34 : x
  2. Step 2: Convert to fraction form
    34,159.61/51,246.71 = 11,974.34/x
  3. Step 3: Cross multiply
    34,159.61x = 51,246.71 × 11,974.34
  4. Step 4: Simplify right side
    34,159.61x = 613,645,529.42
  5. Step 5: Solve for x
    x = 613,645,529.42/34,159.61
  6. Step 6: Final answer
    x = 17,964.07

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1.5x scale

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.