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Finding the Fourth Proportional to 57,187.40, 85,814.80 and 23,904.90

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Solution

The fourth proportional to 57,187.40, 85,814.80 and 23,904.90 is: 35,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,187.40 : 85,814.80 = 23,904.90 : x
  2. Step 2: Convert to fraction form
    57,187.40/85,814.80 = 23,904.90/x
  3. Step 3: Cross multiply
    57,187.40x = 85,814.80 × 23,904.90
  4. Step 4: Simplify right side
    57,187.40x = 2,051,394,212.52
  5. Step 5: Solve for x
    x = 2,051,394,212.52/57,187.40
  6. Step 6: Final answer
    x = 35,871.44

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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.