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Finding the Fourth Proportional to 36,802.80, 55,058.40 and 31,926.60

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Solution

The fourth proportional to 36,802.80, 55,058.40 and 31,926.60 is: 47,763.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,802.80 : 55,058.40 = 31,926.60 : x
  2. Step 2: Convert to fraction form
    36,802.80/55,058.40 = 31,926.60/x
  3. Step 3: Cross multiply
    36,802.80x = 55,058.40 × 31,926.60
  4. Step 4: Simplify right side
    36,802.80x = 1,757,827,513.44
  5. Step 5: Solve for x
    x = 1,757,827,513.44/36,802.80
  6. Step 6: Final answer
    x = 47,763.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.