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Finding the Fourth Proportional to 17,891.13, 26,840.76 and 9,566.76

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Solution

The fourth proportional to 17,891.13, 26,840.76 and 9,566.76 is: 14,352.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.13 : 26,840.76 = 9,566.76 : x
  2. Step 2: Convert to fraction form
    17,891.13/26,840.76 = 9,566.76/x
  3. Step 3: Cross multiply
    17,891.13x = 26,840.76 × 9,566.76
  4. Step 4: Simplify right side
    17,891.13x = 256,779,109.14
  5. Step 5: Solve for x
    x = 256,779,109.14/17,891.13
  6. Step 6: Final answer
    x = 14,352.31

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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.