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Finding the Fourth Proportional to 18,053.31, 24,913.38 and 9,987.33

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Solution

The fourth proportional to 18,053.31, 24,913.38 and 9,987.33 is: 13,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.31 : 24,913.38 = 9,987.33 : x
  2. Step 2: Convert to fraction form
    18,053.31/24,913.38 = 9,987.33/x
  3. Step 3: Cross multiply
    18,053.31x = 24,913.38 × 9,987.33
  4. Step 4: Simplify right side
    18,053.31x = 248,818,147.48
  5. Step 5: Solve for x
    x = 248,818,147.48/18,053.31
  6. Step 6: Final answer
    x = 13,782.41

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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.