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Finding the Fourth Proportional to 17,561.01, 26,318.53 and 15,334.23

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Solution

The fourth proportional to 17,561.01, 26,318.53 and 15,334.23 is: 22,981.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,561.01 : 26,318.53 = 15,334.23 : x
  2. Step 2: Convert to fraction form
    17,561.01/26,318.53 = 15,334.23/x
  3. Step 3: Cross multiply
    17,561.01x = 26,318.53 × 15,334.23
  4. Step 4: Simplify right side
    17,561.01x = 403,574,392.28
  5. Step 5: Solve for x
    x = 403,574,392.28/17,561.01
  6. Step 6: Final answer
    x = 22,981.27

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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.