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Finding the Fourth Proportional to 59,951.07, 89,786.52 and 47,386.80

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Solution

The fourth proportional to 59,951.07, 89,786.52 and 47,386.80 is: 70,969.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,951.07 : 89,786.52 = 47,386.80 : x
  2. Step 2: Convert to fraction form
    59,951.07/89,786.52 = 47,386.80/x
  3. Step 3: Cross multiply
    59,951.07x = 89,786.52 × 47,386.80
  4. Step 4: Simplify right side
    59,951.07x = 4,254,695,865.94
  5. Step 5: Solve for x
    x = 4,254,695,865.94/59,951.07
  6. Step 6: Final answer
    x = 70,969.47

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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.