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Finding the Fourth Proportional to 17,598.79, 26,406.86 and 8,239.45

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Solution

The fourth proportional to 17,598.79, 26,406.86 and 8,239.45 is: 12,363.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,598.79 : 26,406.86 = 8,239.45 : x
  2. Step 2: Convert to fraction form
    17,598.79/26,406.86 = 8,239.45/x
  3. Step 3: Cross multiply
    17,598.79x = 26,406.86 × 8,239.45
  4. Step 4: Simplify right side
    17,598.79x = 217,578,002.63
  5. Step 5: Solve for x
    x = 217,578,002.63/17,598.79
  6. Step 6: Final answer
    x = 12,363.24

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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.