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Finding the Fourth Proportional to 70,324.53, 97,028.66 and 40,098.83

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Solution

The fourth proportional to 70,324.53, 97,028.66 and 40,098.83 is: 55,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,324.53 : 97,028.66 = 40,098.83 : x
  2. Step 2: Convert to fraction form
    70,324.53/97,028.66 = 40,098.83/x
  3. Step 3: Cross multiply
    70,324.53x = 97,028.66 × 40,098.83
  4. Step 4: Simplify right side
    70,324.53x = 3,890,735,742.47
  5. Step 5: Solve for x
    x = 3,890,735,742.47/70,324.53
  6. Step 6: Final answer
    x = 55,325.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.