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Finding the Fourth Proportional to 22,296.93, 30,772.90 and 13,801.78

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Solution

The fourth proportional to 22,296.93, 30,772.90 and 13,801.78 is: 19,048.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,296.93 : 30,772.90 = 13,801.78 : x
  2. Step 2: Convert to fraction form
    22,296.93/30,772.90 = 13,801.78/x
  3. Step 3: Cross multiply
    22,296.93x = 30,772.90 × 13,801.78
  4. Step 4: Simplify right side
    22,296.93x = 424,720,795.76
  5. Step 5: Solve for x
    x = 424,720,795.76/22,296.93
  6. Step 6: Final answer
    x = 19,048.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.