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Finding the Fourth Proportional to 8,325.95, 11,489.96 and 4,549.28

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Solution

The fourth proportional to 8,325.95, 11,489.96 and 4,549.28 is: 6,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.95 : 11,489.96 = 4,549.28 : x
  2. Step 2: Convert to fraction form
    8,325.95/11,489.96 = 4,549.28/x
  3. Step 3: Cross multiply
    8,325.95x = 11,489.96 × 4,549.28
  4. Step 4: Simplify right side
    8,325.95x = 52,271,045.23
  5. Step 5: Solve for x
    x = 52,271,045.23/8,325.95
  6. Step 6: Final answer
    x = 6,278.09

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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.