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Finding the Fourth Proportional to 17,796.46, 24,482.28 and 15,388.47

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Solution

The fourth proportional to 17,796.46, 24,482.28 and 15,388.47 is: 21,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.46 : 24,482.28 = 15,388.47 : x
  2. Step 2: Convert to fraction form
    17,796.46/24,482.28 = 15,388.47/x
  3. Step 3: Cross multiply
    17,796.46x = 24,482.28 × 15,388.47
  4. Step 4: Simplify right side
    17,796.46x = 376,744,831.31
  5. Step 5: Solve for x
    x = 376,744,831.31/17,796.46
  6. Step 6: Final answer
    x = 21,169.65

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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.