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Finding the Fourth Proportional to 10,029.43, 15,058.73 and 7,405.03

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Solution

The fourth proportional to 10,029.43, 15,058.73 and 7,405.03 is: 11,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.43 : 15,058.73 = 7,405.03 : x
  2. Step 2: Convert to fraction form
    10,029.43/15,058.73 = 7,405.03/x
  3. Step 3: Cross multiply
    10,029.43x = 15,058.73 × 7,405.03
  4. Step 4: Simplify right side
    10,029.43x = 111,510,347.41
  5. Step 5: Solve for x
    x = 111,510,347.41/10,029.43
  6. Step 6: Final answer
    x = 11,118.31

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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.