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Finding the Fourth Proportional to 65,099.72, 97,649.10 and 18,352.28

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Solution

The fourth proportional to 65,099.72, 97,649.10 and 18,352.28 is: 27,528.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,099.72 : 97,649.10 = 18,352.28 : x
  2. Step 2: Convert to fraction form
    65,099.72/97,649.10 = 18,352.28/x
  3. Step 3: Cross multiply
    65,099.72x = 97,649.10 × 18,352.28
  4. Step 4: Simplify right side
    65,099.72x = 1,792,083,624.95
  5. Step 5: Solve for x
    x = 1,792,083,624.95/65,099.72
  6. Step 6: Final answer
    x = 27,528.28

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1.5x scale

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.