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Finding the Fourth Proportional to 19,201.29, 28,799.51 and 7,522.71

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Solution

The fourth proportional to 19,201.29, 28,799.51 and 7,522.71 is: 11,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.29 : 28,799.51 = 7,522.71 : x
  2. Step 2: Convert to fraction form
    19,201.29/28,799.51 = 7,522.71/x
  3. Step 3: Cross multiply
    19,201.29x = 28,799.51 × 7,522.71
  4. Step 4: Simplify right side
    19,201.29x = 216,650,324.26
  5. Step 5: Solve for x
    x = 216,650,324.26/19,201.29
  6. Step 6: Final answer
    x = 11,283.11

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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.