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Finding the Fourth Proportional to 59,453.65, 89,124.65 and 19,983.16

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Solution

The fourth proportional to 59,453.65, 89,124.65 and 19,983.16 is: 29,955.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,453.65 : 89,124.65 = 19,983.16 : x
  2. Step 2: Convert to fraction form
    59,453.65/89,124.65 = 19,983.16/x
  3. Step 3: Cross multiply
    59,453.65x = 89,124.65 × 19,983.16
  4. Step 4: Simplify right side
    59,453.65x = 1,780,991,838.40
  5. Step 5: Solve for x
    x = 1,780,991,838.40/59,453.65
  6. Step 6: Final answer
    x = 29,955.97

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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.