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Finding the Fourth Proportional to 32,626.82, 45,000.03 and 21,868.32

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Solution

The fourth proportional to 32,626.82, 45,000.03 and 21,868.32 is: 30,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,626.82 : 45,000.03 = 21,868.32 : x
  2. Step 2: Convert to fraction form
    32,626.82/45,000.03 = 21,868.32/x
  3. Step 3: Cross multiply
    32,626.82x = 45,000.03 × 21,868.32
  4. Step 4: Simplify right side
    32,626.82x = 984,075,306.81
  5. Step 5: Solve for x
    x = 984,075,306.81/32,626.82
  6. Step 6: Final answer
    x = 30,161.54

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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.