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Finding the Fourth Proportional to 60,989.14, 83,396.54 and 60,989.14

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Solution

The fourth proportional to 60,989.14, 83,396.54 and 60,989.14 is: 83,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,989.14 : 83,396.54 = 60,989.14 : x
  2. Step 2: Convert to fraction form
    60,989.14/83,396.54 = 60,989.14/x
  3. Step 3: Cross multiply
    60,989.14x = 83,396.54 × 60,989.14
  4. Step 4: Simplify right side
    60,989.14x = 5,086,283,253.58
  5. Step 5: Solve for x
    x = 5,086,283,253.58/60,989.14
  6. Step 6: Final answer
    x = 83,396.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.