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Finding the Fourth Proportional to 12,063.79, 18,098.07 and 5,828.14

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Solution

The fourth proportional to 12,063.79, 18,098.07 and 5,828.14 is: 8,743.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.79 : 18,098.07 = 5,828.14 : x
  2. Step 2: Convert to fraction form
    12,063.79/18,098.07 = 5,828.14/x
  3. Step 3: Cross multiply
    12,063.79x = 18,098.07 × 5,828.14
  4. Step 4: Simplify right side
    12,063.79x = 105,478,085.69
  5. Step 5: Solve for x
    x = 105,478,085.69/12,063.79
  6. Step 6: Final answer
    x = 8,743.36

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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.