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Finding the Fourth Proportional to 19,599.11, 29,378.52 and 7,748.07

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Solution

The fourth proportional to 19,599.11, 29,378.52 and 7,748.07 is: 11,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.11 : 29,378.52 = 7,748.07 : x
  2. Step 2: Convert to fraction form
    19,599.11/29,378.52 = 7,748.07/x
  3. Step 3: Cross multiply
    19,599.11x = 29,378.52 × 7,748.07
  4. Step 4: Simplify right side
    19,599.11x = 227,626,829.46
  5. Step 5: Solve for x
    x = 227,626,829.46/19,599.11
  6. Step 6: Final answer
    x = 11,614.14

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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.