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Finding the Fourth Proportional to 17,507.17, 26,149.11 and 15,838.72

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Solution

The fourth proportional to 17,507.17, 26,149.11 and 15,838.72 is: 23,657.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.17 : 26,149.11 = 15,838.72 : x
  2. Step 2: Convert to fraction form
    17,507.17/26,149.11 = 15,838.72/x
  3. Step 3: Cross multiply
    17,507.17x = 26,149.11 × 15,838.72
  4. Step 4: Simplify right side
    17,507.17x = 414,168,395.86
  5. Step 5: Solve for x
    x = 414,168,395.86/17,507.17
  6. Step 6: Final answer
    x = 23,657.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.