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Finding the Fourth Proportional to 6,844.60, 10,266.90 and 4,876.30

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Solution

The fourth proportional to 6,844.60, 10,266.90 and 4,876.30 is: 7,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,844.60 : 10,266.90 = 4,876.30 : x
  2. Step 2: Convert to fraction form
    6,844.60/10,266.90 = 4,876.30/x
  3. Step 3: Cross multiply
    6,844.60x = 10,266.90 × 4,876.30
  4. Step 4: Simplify right side
    6,844.60x = 50,064,484.47
  5. Step 5: Solve for x
    x = 50,064,484.47/6,844.60
  6. Step 6: Final answer
    x = 7,314.45

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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.