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Finding the Fourth Proportional to 17,221.08, 25,806.95 and 9,810.24

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Solution

The fourth proportional to 17,221.08, 25,806.95 and 9,810.24 is: 14,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.08 : 25,806.95 = 9,810.24 : x
  2. Step 2: Convert to fraction form
    17,221.08/25,806.95 = 9,810.24/x
  3. Step 3: Cross multiply
    17,221.08x = 25,806.95 × 9,810.24
  4. Step 4: Simplify right side
    17,221.08x = 253,172,244.13
  5. Step 5: Solve for x
    x = 253,172,244.13/17,221.08
  6. Step 6: Final answer
    x = 14,701.30

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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.