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Finding the Fourth Proportional to 3,887.45, 5,368.03 and 3,333.41

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Solution

The fourth proportional to 3,887.45, 5,368.03 and 3,333.41 is: 4,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.45 : 5,368.03 = 3,333.41 : x
  2. Step 2: Convert to fraction form
    3,887.45/5,368.03 = 3,333.41/x
  3. Step 3: Cross multiply
    3,887.45x = 5,368.03 × 3,333.41
  4. Step 4: Simplify right side
    3,887.45x = 17,893,809.71
  5. Step 5: Solve for x
    x = 17,893,809.71/3,887.45
  6. Step 6: Final answer
    x = 4,602.97

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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.