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Finding the Fourth Proportional to 10,692.16, 16,036.08 and 2,899.12

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Solution

The fourth proportional to 10,692.16, 16,036.08 and 2,899.12 is: 4,348.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.16 : 16,036.08 = 2,899.12 : x
  2. Step 2: Convert to fraction form
    10,692.16/16,036.08 = 2,899.12/x
  3. Step 3: Cross multiply
    10,692.16x = 16,036.08 × 2,899.12
  4. Step 4: Simplify right side
    10,692.16x = 46,490,520.25
  5. Step 5: Solve for x
    x = 46,490,520.25/10,692.16
  6. Step 6: Final answer
    x = 4,348.09

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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.