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Finding the Fourth Proportional to 29,287.68, 40,415.36 and 17,352.16

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Solution

The fourth proportional to 29,287.68, 40,415.36 and 17,352.16 is: 23,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,287.68 : 40,415.36 = 17,352.16 : x
  2. Step 2: Convert to fraction form
    29,287.68/40,415.36 = 17,352.16/x
  3. Step 3: Cross multiply
    29,287.68x = 40,415.36 × 17,352.16
  4. Step 4: Simplify right side
    29,287.68x = 701,293,793.18
  5. Step 5: Solve for x
    x = 701,293,793.18/29,287.68
  6. Step 6: Final answer
    x = 23,945.01

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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.