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Finding the Fourth Proportional to 29,573.16, 40,822.04 and 18,393

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Solution

The fourth proportional to 29,573.16, 40,822.04 and 18,393 is: 25,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.16 : 40,822.04 = 18,393 : x
  2. Step 2: Convert to fraction form
    29,573.16/40,822.04 = 18,393/x
  3. Step 3: Cross multiply
    29,573.16x = 40,822.04 × 18,393
  4. Step 4: Simplify right side
    29,573.16x = 750,839,781.72
  5. Step 5: Solve for x
    x = 750,839,781.72/29,573.16
  6. Step 6: Final answer
    x = 25,389.23

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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.