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Finding the Fourth Proportional to 22,858.88, 34,289.76 and 7,277.12

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Solution

The fourth proportional to 22,858.88, 34,289.76 and 7,277.12 is: 10,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.88 : 34,289.76 = 7,277.12 : x
  2. Step 2: Convert to fraction form
    22,858.88/34,289.76 = 7,277.12/x
  3. Step 3: Cross multiply
    22,858.88x = 34,289.76 × 7,277.12
  4. Step 4: Simplify right side
    22,858.88x = 249,530,698.29
  5. Step 5: Solve for x
    x = 249,530,698.29/22,858.88
  6. Step 6: Final answer
    x = 10,916.14

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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.