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Finding the Fourth Proportional to 6,560.44, 9,840.54 and 4,621.28

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Solution

The fourth proportional to 6,560.44, 9,840.54 and 4,621.28 is: 6,931.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.44 : 9,840.54 = 4,621.28 : x
  2. Step 2: Convert to fraction form
    6,560.44/9,840.54 = 4,621.28/x
  3. Step 3: Cross multiply
    6,560.44x = 9,840.54 × 4,621.28
  4. Step 4: Simplify right side
    6,560.44x = 45,475,890.69
  5. Step 5: Solve for x
    x = 45,475,890.69/6,560.44
  6. Step 6: Final answer
    x = 6,931.84

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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.