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Finding the Fourth Proportional to 59,762.46, 89,643.76 and 15,389.31

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Solution

The fourth proportional to 59,762.46, 89,643.76 and 15,389.31 is: 23,083.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,762.46 : 89,643.76 = 15,389.31 : x
  2. Step 2: Convert to fraction form
    59,762.46/89,643.76 = 15,389.31/x
  3. Step 3: Cross multiply
    59,762.46x = 89,643.76 × 15,389.31
  4. Step 4: Simplify right side
    59,762.46x = 1,379,555,759.37
  5. Step 5: Solve for x
    x = 1,379,555,759.37/59,762.46
  6. Step 6: Final answer
    x = 23,083.98

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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.