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Finding the Fourth Proportional to 17,690.67, 24,254.91 and 17,374.77

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Solution

The fourth proportional to 17,690.67, 24,254.91 and 17,374.77 is: 23,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690.67 : 24,254.91 = 17,374.77 : x
  2. Step 2: Convert to fraction form
    17,690.67/24,254.91 = 17,374.77/x
  3. Step 3: Cross multiply
    17,690.67x = 24,254.91 × 17,374.77
  4. Step 4: Simplify right side
    17,690.67x = 421,423,482.62
  5. Step 5: Solve for x
    x = 421,423,482.62/17,690.67
  6. Step 6: Final answer
    x = 23,821.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.