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Finding the Fourth Proportional to 57,705.94, 86,492.76 and 26,475.58

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Solution

The fourth proportional to 57,705.94, 86,492.76 and 26,475.58 is: 39,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,705.94 : 86,492.76 = 26,475.58 : x
  2. Step 2: Convert to fraction form
    57,705.94/86,492.76 = 26,475.58/x
  3. Step 3: Cross multiply
    57,705.94x = 86,492.76 × 26,475.58
  4. Step 4: Simplify right side
    57,705.94x = 2,289,945,986.80
  5. Step 5: Solve for x
    x = 2,289,945,986.80/57,705.94
  6. Step 6: Final answer
    x = 39,683.02

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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.