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Finding the Fourth Proportional to 10,540.52, 15,810.21 and 5,346.26

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Solution

The fourth proportional to 10,540.52, 15,810.21 and 5,346.26 is: 8,019.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.52 : 15,810.21 = 5,346.26 : x
  2. Step 2: Convert to fraction form
    10,540.52/15,810.21 = 5,346.26/x
  3. Step 3: Cross multiply
    10,540.52x = 15,810.21 × 5,346.26
  4. Step 4: Simplify right side
    10,540.52x = 84,525,493.31
  5. Step 5: Solve for x
    x = 84,525,493.31/10,540.52
  6. Step 6: Final answer
    x = 8,019.10

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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.