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Finding the Fourth Proportional to 4,710.72, 6,496.08 and 4,001.78

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Solution

The fourth proportional to 4,710.72, 6,496.08 and 4,001.78 is: 5,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.72 : 6,496.08 = 4,001.78 : x
  2. Step 2: Convert to fraction form
    4,710.72/6,496.08 = 4,001.78/x
  3. Step 3: Cross multiply
    4,710.72x = 6,496.08 × 4,001.78
  4. Step 4: Simplify right side
    4,710.72x = 25,995,883.02
  5. Step 5: Solve for x
    x = 25,995,883.02/4,710.72
  6. Step 6: Final answer
    x = 5,518.45

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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.