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Finding the Fourth Proportional to 40,304, 55,615.10 and 23,305.66

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Solution

The fourth proportional to 40,304, 55,615.10 and 23,305.66 is: 32,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,304 : 55,615.10 = 23,305.66 : x
  2. Step 2: Convert to fraction form
    40,304/55,615.10 = 23,305.66/x
  3. Step 3: Cross multiply
    40,304x = 55,615.10 × 23,305.66
  4. Step 4: Simplify right side
    40,304x = 1,296,146,611.47
  5. Step 5: Solve for x
    x = 1,296,146,611.47/40,304
  6. Step 6: Final answer
    x = 32,159.25

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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.