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Finding the Fourth Proportional to 4,951.70, 7,427.54 and 1,203.45

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Solution

The fourth proportional to 4,951.70, 7,427.54 and 1,203.45 is: 1,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,951.70 : 7,427.54 = 1,203.45 : x
  2. Step 2: Convert to fraction form
    4,951.70/7,427.54 = 1,203.45/x
  3. Step 3: Cross multiply
    4,951.70x = 7,427.54 × 1,203.45
  4. Step 4: Simplify right side
    4,951.70x = 8,938,673.01
  5. Step 5: Solve for x
    x = 8,938,673.01/4,951.70
  6. Step 6: Final answer
    x = 1,805.17

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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.