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Finding the Fourth Proportional to 57,588.30, 86,394.57 and 32,640.30

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Solution

The fourth proportional to 57,588.30, 86,394.57 and 32,640.30 is: 48,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,588.30 : 86,394.57 = 32,640.30 : x
  2. Step 2: Convert to fraction form
    57,588.30/86,394.57 = 32,640.30/x
  3. Step 3: Cross multiply
    57,588.30x = 86,394.57 × 32,640.30
  4. Step 4: Simplify right side
    57,588.30x = 2,819,944,683.17
  5. Step 5: Solve for x
    x = 2,819,944,683.17/57,588.30
  6. Step 6: Final answer
    x = 48,967.32

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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.