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Finding the Fourth Proportional to 65,121.76, 97,700.10 and 27,683.56

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Solution

The fourth proportional to 65,121.76, 97,700.10 and 27,683.56 is: 41,532.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,121.76 : 97,700.10 = 27,683.56 : x
  2. Step 2: Convert to fraction form
    65,121.76/97,700.10 = 27,683.56/x
  3. Step 3: Cross multiply
    65,121.76x = 97,700.10 × 27,683.56
  4. Step 4: Simplify right side
    65,121.76x = 2,704,686,580.36
  5. Step 5: Solve for x
    x = 2,704,686,580.36/65,121.76
  6. Step 6: Final answer
    x = 41,532.76

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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.