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Finding the Fourth Proportional to 8,753.00, 12,079.35 and 4,774.49

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Solution

The fourth proportional to 8,753.00, 12,079.35 and 4,774.49 is: 6,588.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.00 : 12,079.35 = 4,774.49 : x
  2. Step 2: Convert to fraction form
    8,753.00/12,079.35 = 4,774.49/x
  3. Step 3: Cross multiply
    8,753.00x = 12,079.35 × 4,774.49
  4. Step 4: Simplify right side
    8,753.00x = 57,672,675.38
  5. Step 5: Solve for x
    x = 57,672,675.38/8,753.00
  6. Step 6: Final answer
    x = 6,588.90

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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.