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Finding the Fourth Proportional to 59,403.83, 89,011.98 and 21,912.30

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Solution

The fourth proportional to 59,403.83, 89,011.98 and 21,912.30 is: 32,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,403.83 : 89,011.98 = 21,912.30 : x
  2. Step 2: Convert to fraction form
    59,403.83/89,011.98 = 21,912.30/x
  3. Step 3: Cross multiply
    59,403.83x = 89,011.98 × 21,912.30
  4. Step 4: Simplify right side
    59,403.83x = 1,950,457,209.35
  5. Step 5: Solve for x
    x = 1,950,457,209.35/59,403.83
  6. Step 6: Final answer
    x = 32,833.87

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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.