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Finding the Fourth Proportional to 59,581.86, 89,236.68 and 28,438.98

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Solution

The fourth proportional to 59,581.86, 89,236.68 and 28,438.98 is: 42,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,581.86 : 89,236.68 = 28,438.98 : x
  2. Step 2: Convert to fraction form
    59,581.86/89,236.68 = 28,438.98/x
  3. Step 3: Cross multiply
    59,581.86x = 89,236.68 × 28,438.98
  4. Step 4: Simplify right side
    59,581.86x = 2,537,800,157.79
  5. Step 5: Solve for x
    x = 2,537,800,157.79/59,581.86
  6. Step 6: Final answer
    x = 42,593.50

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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.