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Finding the Fourth Proportional to 69,461.48, 95,856.84 and 39,246.86

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Solution

The fourth proportional to 69,461.48, 95,856.84 and 39,246.86 is: 54,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,461.48 : 95,856.84 = 39,246.86 : x
  2. Step 2: Convert to fraction form
    69,461.48/95,856.84 = 39,246.86/x
  3. Step 3: Cross multiply
    69,461.48x = 95,856.84 × 39,246.86
  4. Step 4: Simplify right side
    69,461.48x = 3,762,079,979.52
  5. Step 5: Solve for x
    x = 3,762,079,979.52/69,461.48
  6. Step 6: Final answer
    x = 54,160.67

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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.