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Finding the Fourth Proportional to 17,381.74, 26,064.36 and 8,018.98

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Solution

The fourth proportional to 17,381.74, 26,064.36 and 8,018.98 is: 12,024.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.74 : 26,064.36 = 8,018.98 : x
  2. Step 2: Convert to fraction form
    17,381.74/26,064.36 = 8,018.98/x
  3. Step 3: Cross multiply
    17,381.74x = 26,064.36 × 8,018.98
  4. Step 4: Simplify right side
    17,381.74x = 209,009,581.55
  5. Step 5: Solve for x
    x = 209,009,581.55/17,381.74
  6. Step 6: Final answer
    x = 12,024.66

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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.