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Finding the Fourth Proportional to 12,548.66, 18,822.95 and 6,926.05

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Solution

The fourth proportional to 12,548.66, 18,822.95 and 6,926.05 is: 10,389.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.66 : 18,822.95 = 6,926.05 : x
  2. Step 2: Convert to fraction form
    12,548.66/18,822.95 = 6,926.05/x
  3. Step 3: Cross multiply
    12,548.66x = 18,822.95 × 6,926.05
  4. Step 4: Simplify right side
    12,548.66x = 130,368,692.85
  5. Step 5: Solve for x
    x = 130,368,692.85/12,548.66
  6. Step 6: Final answer
    x = 10,389.05

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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.