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Finding the Fourth Proportional to 17,855.24, 24,641.62 and 9,899.01

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Solution

The fourth proportional to 17,855.24, 24,641.62 and 9,899.01 is: 13,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.24 : 24,641.62 = 9,899.01 : x
  2. Step 2: Convert to fraction form
    17,855.24/24,641.62 = 9,899.01/x
  3. Step 3: Cross multiply
    17,855.24x = 24,641.62 × 9,899.01
  4. Step 4: Simplify right side
    17,855.24x = 243,927,618.05
  5. Step 5: Solve for x
    x = 243,927,618.05/17,855.24
  6. Step 6: Final answer
    x = 13,661.41

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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.