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Finding the Fourth Proportional to 17,507.76, 26,262 and 9,765.84

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Solution

The fourth proportional to 17,507.76, 26,262 and 9,765.84 is: 14,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,507.76 : 26,262 = 9,765.84 : x
  2. Step 2: Convert to fraction form
    17,507.76/26,262 = 9,765.84/x
  3. Step 3: Cross multiply
    17,507.76x = 26,262 × 9,765.84
  4. Step 4: Simplify right side
    17,507.76x = 256,470,490.08
  5. Step 5: Solve for x
    x = 256,470,490.08/17,507.76
  6. Step 6: Final answer
    x = 14,648.96

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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.