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Finding the Fourth Proportional to 13,075.96, 18,047.62 and 8,044.42

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Solution

The fourth proportional to 13,075.96, 18,047.62 and 8,044.42 is: 11,103.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,075.96 : 18,047.62 = 8,044.42 : x
  2. Step 2: Convert to fraction form
    13,075.96/18,047.62 = 8,044.42/x
  3. Step 3: Cross multiply
    13,075.96x = 18,047.62 × 8,044.42
  4. Step 4: Simplify right side
    13,075.96x = 145,182,635.28
  5. Step 5: Solve for x
    x = 145,182,635.28/13,075.96
  6. Step 6: Final answer
    x = 11,103.02

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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.