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Finding the Fourth Proportional to 59,583.48, 89,239.08 and 28,440.60

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Solution

The fourth proportional to 59,583.48, 89,239.08 and 28,440.60 is: 42,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,583.48 : 89,239.08 = 28,440.60 : x
  2. Step 2: Convert to fraction form
    59,583.48/89,239.08 = 28,440.60/x
  3. Step 3: Cross multiply
    59,583.48x = 89,239.08 × 28,440.60
  4. Step 4: Simplify right side
    59,583.48x = 2,538,012,978.65
  5. Step 5: Solve for x
    x = 2,538,012,978.65/59,583.48
  6. Step 6: Final answer
    x = 42,595.92

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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.