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Finding the Fourth Proportional to 17,706.98, 26,544.06 and 8,931.71

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Solution

The fourth proportional to 17,706.98, 26,544.06 and 8,931.71 is: 13,389.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,706.98 : 26,544.06 = 8,931.71 : x
  2. Step 2: Convert to fraction form
    17,706.98/26,544.06 = 8,931.71/x
  3. Step 3: Cross multiply
    17,706.98x = 26,544.06 × 8,931.71
  4. Step 4: Simplify right side
    17,706.98x = 237,083,713.42
  5. Step 5: Solve for x
    x = 237,083,713.42/17,706.98
  6. Step 6: Final answer
    x = 13,389.28

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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.