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Finding the Fourth Proportional to 5,047.17, 6,961.64 and 4,628.91

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Solution

The fourth proportional to 5,047.17, 6,961.64 and 4,628.91 is: 6,384.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,047.17 : 6,961.64 = 4,628.91 : x
  2. Step 2: Convert to fraction form
    5,047.17/6,961.64 = 4,628.91/x
  3. Step 3: Cross multiply
    5,047.17x = 6,961.64 × 4,628.91
  4. Step 4: Simplify right side
    5,047.17x = 32,224,805.01
  5. Step 5: Solve for x
    x = 32,224,805.01/5,047.17
  6. Step 6: Final answer
    x = 6,384.73

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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.