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Finding the Fourth Proportional to 17,810.88, 24,590.21 and 11,440.04

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Solution

The fourth proportional to 17,810.88, 24,590.21 and 11,440.04 is: 15,794.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,810.88 : 24,590.21 = 11,440.04 : x
  2. Step 2: Convert to fraction form
    17,810.88/24,590.21 = 11,440.04/x
  3. Step 3: Cross multiply
    17,810.88x = 24,590.21 × 11,440.04
  4. Step 4: Simplify right side
    17,810.88x = 281,312,986.01
  5. Step 5: Solve for x
    x = 281,312,986.01/17,810.88
  6. Step 6: Final answer
    x = 15,794.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.