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Finding the Fourth Proportional to 10,692.80, 16,010.40 and 10,692.80

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Solution

The fourth proportional to 10,692.80, 16,010.40 and 10,692.80 is: 16,010.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.80 : 16,010.40 = 10,692.80 : x
  2. Step 2: Convert to fraction form
    10,692.80/16,010.40 = 10,692.80/x
  3. Step 3: Cross multiply
    10,692.80x = 16,010.40 × 10,692.80
  4. Step 4: Simplify right side
    10,692.80x = 171,196,005.12
  5. Step 5: Solve for x
    x = 171,196,005.12/10,692.80
  6. Step 6: Final answer
    x = 16,010.40

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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.