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Finding the Fourth Proportional to 22,889.76, 34,339.12 and 7,308.32

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Solution

The fourth proportional to 22,889.76, 34,339.12 and 7,308.32 is: 10,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.76 : 34,339.12 = 7,308.32 : x
  2. Step 2: Convert to fraction form
    22,889.76/34,339.12 = 7,308.32/x
  3. Step 3: Cross multiply
    22,889.76x = 34,339.12 × 7,308.32
  4. Step 4: Simplify right side
    22,889.76x = 250,961,277.48
  5. Step 5: Solve for x
    x = 250,961,277.48/22,889.76
  6. Step 6: Final answer
    x = 10,963.91

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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.