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Finding the Fourth Proportional to 17,792.66, 26,689.10 and 4,645.15

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Solution

The fourth proportional to 17,792.66, 26,689.10 and 4,645.15 is: 6,967.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,792.66 : 26,689.10 = 4,645.15 : x
  2. Step 2: Convert to fraction form
    17,792.66/26,689.10 = 4,645.15/x
  3. Step 3: Cross multiply
    17,792.66x = 26,689.10 × 4,645.15
  4. Step 4: Simplify right side
    17,792.66x = 123,974,782.92
  5. Step 5: Solve for x
    x = 123,974,782.92/17,792.66
  6. Step 6: Final answer
    x = 6,967.75

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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.