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Finding the Fourth Proportional to 13,235.00, 18,264.78 and 7,267.22

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Solution

The fourth proportional to 13,235.00, 18,264.78 and 7,267.22 is: 10,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.00 : 18,264.78 = 7,267.22 : x
  2. Step 2: Convert to fraction form
    13,235.00/18,264.78 = 7,267.22/x
  3. Step 3: Cross multiply
    13,235.00x = 18,264.78 × 7,267.22
  4. Step 4: Simplify right side
    13,235.00x = 132,734,083.19
  5. Step 5: Solve for x
    x = 132,734,083.19/13,235.00
  6. Step 6: Final answer
    x = 10,029.02

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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.