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Finding the Fourth Proportional to 65,303.16, 90,138.87 and 37,027.68

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Solution

The fourth proportional to 65,303.16, 90,138.87 and 37,027.68 is: 51,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,303.16 : 90,138.87 = 37,027.68 : x
  2. Step 2: Convert to fraction form
    65,303.16/90,138.87 = 37,027.68/x
  3. Step 3: Cross multiply
    65,303.16x = 90,138.87 × 37,027.68
  4. Step 4: Simplify right side
    65,303.16x = 3,337,633,233.92
  5. Step 5: Solve for x
    x = 3,337,633,233.92/65,303.16
  6. Step 6: Final answer
    x = 51,109.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.