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Finding the Fourth Proportional to 29,573.97, 40,802.31 and 19,507.43

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Solution

The fourth proportional to 29,573.97, 40,802.31 and 19,507.43 is: 26,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.97 : 40,802.31 = 19,507.43 : x
  2. Step 2: Convert to fraction form
    29,573.97/40,802.31 = 19,507.43/x
  3. Step 3: Cross multiply
    29,573.97x = 40,802.31 × 19,507.43
  4. Step 4: Simplify right side
    29,573.97x = 795,948,002.15
  5. Step 5: Solve for x
    x = 795,948,002.15/29,573.97
  6. Step 6: Final answer
    x = 26,913.80

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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.