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Finding the Fourth Proportional to 18,242.01, 25,167.06 and 11,525.04

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Solution

The fourth proportional to 18,242.01, 25,167.06 and 11,525.04 is: 15,900.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242.01 : 25,167.06 = 11,525.04 : x
  2. Step 2: Convert to fraction form
    18,242.01/25,167.06 = 11,525.04/x
  3. Step 3: Cross multiply
    18,242.01x = 25,167.06 × 11,525.04
  4. Step 4: Simplify right side
    18,242.01x = 290,051,373.18
  5. Step 5: Solve for x
    x = 290,051,373.18/18,242.01
  6. Step 6: Final answer
    x = 15,900.19

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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.