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Finding the Fourth Proportional to 58,367.52, 87,564.06 and 18,928.62

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Solution

The fourth proportional to 58,367.52, 87,564.06 and 18,928.62 is: 28,397.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,367.52 : 87,564.06 = 18,928.62 : x
  2. Step 2: Convert to fraction form
    58,367.52/87,564.06 = 18,928.62/x
  3. Step 3: Cross multiply
    58,367.52x = 87,564.06 × 18,928.62
  4. Step 4: Simplify right side
    58,367.52x = 1,657,466,817.40
  5. Step 5: Solve for x
    x = 1,657,466,817.40/58,367.52
  6. Step 6: Final answer
    x = 28,397.07

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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.