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Finding the Fourth Proportional to 60,429.96, 90,635.58 and 30,869.64

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Solution

The fourth proportional to 60,429.96, 90,635.58 and 30,869.64 is: 46,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,429.96 : 90,635.58 = 30,869.64 : x
  2. Step 2: Convert to fraction form
    60,429.96/90,635.58 = 30,869.64/x
  3. Step 3: Cross multiply
    60,429.96x = 90,635.58 × 30,869.64
  4. Step 4: Simplify right side
    60,429.96x = 2,797,887,725.79
  5. Step 5: Solve for x
    x = 2,797,887,725.79/60,429.96
  6. Step 6: Final answer
    x = 46,299.68

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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.