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Finding the Fourth Proportional to 18,149.01, 25,038.48 and 10,487.22

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Solution

The fourth proportional to 18,149.01, 25,038.48 and 10,487.22 is: 14,468.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.01 : 25,038.48 = 10,487.22 : x
  2. Step 2: Convert to fraction form
    18,149.01/25,038.48 = 10,487.22/x
  3. Step 3: Cross multiply
    18,149.01x = 25,038.48 × 10,487.22
  4. Step 4: Simplify right side
    18,149.01x = 262,583,923.03
  5. Step 5: Solve for x
    x = 262,583,923.03/18,149.01
  6. Step 6: Final answer
    x = 14,468.23

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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.