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Finding the Fourth Proportional to 65,384.40, 97,846.20 and 59,854.80

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Solution

The fourth proportional to 65,384.40, 97,846.20 and 59,854.80 is: 89,571.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,384.40 : 97,846.20 = 59,854.80 : x
  2. Step 2: Convert to fraction form
    65,384.40/97,846.20 = 59,854.80/x
  3. Step 3: Cross multiply
    65,384.40x = 97,846.20 × 59,854.80
  4. Step 4: Simplify right side
    65,384.40x = 5,856,564,731.76
  5. Step 5: Solve for x
    x = 5,856,564,731.76/65,384.40
  6. Step 6: Final answer
    x = 89,571.29

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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.