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Finding the Fourth Proportional to 7,236.47, 9,961.04 and 6,303.35

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Solution

The fourth proportional to 7,236.47, 9,961.04 and 6,303.35 is: 8,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.47 : 9,961.04 = 6,303.35 : x
  2. Step 2: Convert to fraction form
    7,236.47/9,961.04 = 6,303.35/x
  3. Step 3: Cross multiply
    7,236.47x = 9,961.04 × 6,303.35
  4. Step 4: Simplify right side
    7,236.47x = 62,787,840.16
  5. Step 5: Solve for x
    x = 62,787,840.16/7,236.47
  6. Step 6: Final answer
    x = 8,676.59

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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.