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Finding the Fourth Proportional to 21,904.90, 32,850.15 and 8,052.10

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Solution

The fourth proportional to 21,904.90, 32,850.15 and 8,052.10 is: 12,075.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.90 : 32,850.15 = 8,052.10 : x
  2. Step 2: Convert to fraction form
    21,904.90/32,850.15 = 8,052.10/x
  3. Step 3: Cross multiply
    21,904.90x = 32,850.15 × 8,052.10
  4. Step 4: Simplify right side
    21,904.90x = 264,512,692.82
  5. Step 5: Solve for x
    x = 264,512,692.82/21,904.90
  6. Step 6: Final answer
    x = 12,075.50

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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.