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Finding the Fourth Proportional to 59,364.57, 89,056.59 and 28,189.29

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Solution

The fourth proportional to 59,364.57, 89,056.59 and 28,189.29 is: 42,288.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,364.57 : 89,056.59 = 28,189.29 : x
  2. Step 2: Convert to fraction form
    59,364.57/89,056.59 = 28,189.29/x
  3. Step 3: Cross multiply
    59,364.57x = 89,056.59 × 28,189.29
  4. Step 4: Simplify right side
    59,364.57x = 2,510,442,041.92
  5. Step 5: Solve for x
    x = 2,510,442,041.92/59,364.57
  6. Step 6: Final answer
    x = 42,288.56

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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.