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Finding the Fourth Proportional to 17,381.19, 26,073.97 and 8,496.81

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Solution

The fourth proportional to 17,381.19, 26,073.97 and 8,496.81 is: 12,746.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.19 : 26,073.97 = 8,496.81 : x
  2. Step 2: Convert to fraction form
    17,381.19/26,073.97 = 8,496.81/x
  3. Step 3: Cross multiply
    17,381.19x = 26,073.97 × 8,496.81
  4. Step 4: Simplify right side
    17,381.19x = 221,545,547.79
  5. Step 5: Solve for x
    x = 221,545,547.79/17,381.19
  6. Step 6: Final answer
    x = 12,746.28

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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.