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Finding the Fourth Proportional to 65,011.44, 97,529.22 and 20,626.20

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Solution

The fourth proportional to 65,011.44, 97,529.22 and 20,626.20 is: 30,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,011.44 : 97,529.22 = 20,626.20 : x
  2. Step 2: Convert to fraction form
    65,011.44/97,529.22 = 20,626.20/x
  3. Step 3: Cross multiply
    65,011.44x = 97,529.22 × 20,626.20
  4. Step 4: Simplify right side
    65,011.44x = 2,011,657,197.56
  5. Step 5: Solve for x
    x = 2,011,657,197.56/65,011.44
  6. Step 6: Final answer
    x = 30,943.13

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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.