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Finding the Fourth Proportional to 29,330.88, 40,470.08 and 17,388.16

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Solution

The fourth proportional to 29,330.88, 40,470.08 and 17,388.16 is: 23,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,330.88 : 40,470.08 = 17,388.16 : x
  2. Step 2: Convert to fraction form
    29,330.88/40,470.08 = 17,388.16/x
  3. Step 3: Cross multiply
    29,330.88x = 40,470.08 × 17,388.16
  4. Step 4: Simplify right side
    29,330.88x = 703,700,226.25
  5. Step 5: Solve for x
    x = 703,700,226.25/29,330.88
  6. Step 6: Final answer
    x = 23,991.79

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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.