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Finding the Fourth Proportional to 57,349.66, 86,009.88 and 17,910.76

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Solution

The fourth proportional to 57,349.66, 86,009.88 and 17,910.76 is: 26,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,349.66 : 86,009.88 = 17,910.76 : x
  2. Step 2: Convert to fraction form
    57,349.66/86,009.88 = 17,910.76/x
  3. Step 3: Cross multiply
    57,349.66x = 86,009.88 × 17,910.76
  4. Step 4: Simplify right side
    57,349.66x = 1,540,502,318.31
  5. Step 5: Solve for x
    x = 1,540,502,318.31/57,349.66
  6. Step 6: Final answer
    x = 26,861.58

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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.