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Finding the Fourth Proportional to 57,358.86, 86,093.01 and 35,215.48

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Solution

The fourth proportional to 57,358.86, 86,093.01 and 35,215.48 is: 52,856.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358.86 : 86,093.01 = 35,215.48 : x
  2. Step 2: Convert to fraction form
    57,358.86/86,093.01 = 35,215.48/x
  3. Step 3: Cross multiply
    57,358.86x = 86,093.01 × 35,215.48
  4. Step 4: Simplify right side
    57,358.86x = 3,031,806,495.72
  5. Step 5: Solve for x
    x = 3,031,806,495.72/57,358.86
  6. Step 6: Final answer
    x = 52,856.82

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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.