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Finding the Fourth Proportional to 10,692.90, 16,038.99 and 4,845.42

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Solution

The fourth proportional to 10,692.90, 16,038.99 and 4,845.42 is: 7,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.90 : 16,038.99 = 4,845.42 : x
  2. Step 2: Convert to fraction form
    10,692.90/16,038.99 = 4,845.42/x
  3. Step 3: Cross multiply
    10,692.90x = 16,038.99 × 4,845.42
  4. Step 4: Simplify right side
    10,692.90x = 77,715,642.93
  5. Step 5: Solve for x
    x = 77,715,642.93/10,692.90
  6. Step 6: Final answer
    x = 7,267.97

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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.