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Finding the Fourth Proportional to 16,692.48, 23,035.86 and 9,240.48

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Solution

The fourth proportional to 16,692.48, 23,035.86 and 9,240.48 is: 12,751.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692.48 : 23,035.86 = 9,240.48 : x
  2. Step 2: Convert to fraction form
    16,692.48/23,035.86 = 9,240.48/x
  3. Step 3: Cross multiply
    16,692.48x = 23,035.86 × 9,240.48
  4. Step 4: Simplify right side
    16,692.48x = 212,862,403.61
  5. Step 5: Solve for x
    x = 212,862,403.61/16,692.48
  6. Step 6: Final answer
    x = 12,751.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.