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Finding the Fourth Proportional to 15,793.17, 21,797.01 and 9,746.94

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Solution

The fourth proportional to 15,793.17, 21,797.01 and 9,746.94 is: 13,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.17 : 21,797.01 = 9,746.94 : x
  2. Step 2: Convert to fraction form
    15,793.17/21,797.01 = 9,746.94/x
  3. Step 3: Cross multiply
    15,793.17x = 21,797.01 × 9,746.94
  4. Step 4: Simplify right side
    15,793.17x = 212,454,148.65
  5. Step 5: Solve for x
    x = 212,454,148.65/15,793.17
  6. Step 6: Final answer
    x = 13,452.28

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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.