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Finding the Fourth Proportional to 3,487.05, 4,896.45 and 3,487.05

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Solution

The fourth proportional to 3,487.05, 4,896.45 and 3,487.05 is: 4,896.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.05 : 4,896.45 = 3,487.05 : x
  2. Step 2: Convert to fraction form
    3,487.05/4,896.45 = 3,487.05/x
  3. Step 3: Cross multiply
    3,487.05x = 4,896.45 × 3,487.05
  4. Step 4: Simplify right side
    3,487.05x = 17,074,165.97
  5. Step 5: Solve for x
    x = 17,074,165.97/3,487.05
  6. Step 6: Final answer
    x = 4,896.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.