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Finding the Fourth Proportional to 17,539.76, 26,309.64 and 7,014.52

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Solution

The fourth proportional to 17,539.76, 26,309.64 and 7,014.52 is: 10,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,539.76 : 26,309.64 = 7,014.52 : x
  2. Step 2: Convert to fraction form
    17,539.76/26,309.64 = 7,014.52/x
  3. Step 3: Cross multiply
    17,539.76x = 26,309.64 × 7,014.52
  4. Step 4: Simplify right side
    17,539.76x = 184,549,495.97
  5. Step 5: Solve for x
    x = 184,549,495.97/17,539.76
  6. Step 6: Final answer
    x = 10,521.78

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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.