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Finding the Fourth Proportional to 17,819.06, 24,590.06 and 9,860.80

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Solution

The fourth proportional to 17,819.06, 24,590.06 and 9,860.80 is: 13,607.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.06 : 24,590.06 = 9,860.80 : x
  2. Step 2: Convert to fraction form
    17,819.06/24,590.06 = 9,860.80/x
  3. Step 3: Cross multiply
    17,819.06x = 24,590.06 × 9,860.80
  4. Step 4: Simplify right side
    17,819.06x = 242,477,663.65
  5. Step 5: Solve for x
    x = 242,477,663.65/17,819.06
  6. Step 6: Final answer
    x = 13,607.77

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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.