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Finding the Fourth Proportional to 59,484.87, 89,240.50 and 17,928.87

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Solution

The fourth proportional to 59,484.87, 89,240.50 and 17,928.87 is: 26,897.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,484.87 : 89,240.50 = 17,928.87 : x
  2. Step 2: Convert to fraction form
    59,484.87/89,240.50 = 17,928.87/x
  3. Step 3: Cross multiply
    59,484.87x = 89,240.50 × 17,928.87
  4. Step 4: Simplify right side
    59,484.87x = 1,599,980,832.21
  5. Step 5: Solve for x
    x = 1,599,980,832.21/59,484.87
  6. Step 6: Final answer
    x = 26,897.28

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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.