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Finding the Fourth Proportional to 21,482.57, 32,223.85 and 6,692.68

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Solution

The fourth proportional to 21,482.57, 32,223.85 and 6,692.68 is: 10,039.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,482.57 : 32,223.85 = 6,692.68 : x
  2. Step 2: Convert to fraction form
    21,482.57/32,223.85 = 6,692.68/x
  3. Step 3: Cross multiply
    21,482.57x = 32,223.85 × 6,692.68
  4. Step 4: Simplify right side
    21,482.57x = 215,663,777.53
  5. Step 5: Solve for x
    x = 215,663,777.53/21,482.57
  6. Step 6: Final answer
    x = 10,039.01

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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.