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Finding the Fourth Proportional to 4,800.16, 7,201.56 and 1,513.16

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Solution

The fourth proportional to 4,800.16, 7,201.56 and 1,513.16 is: 2,270.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800.16 : 7,201.56 = 1,513.16 : x
  2. Step 2: Convert to fraction form
    4,800.16/7,201.56 = 1,513.16/x
  3. Step 3: Cross multiply
    4,800.16x = 7,201.56 × 1,513.16
  4. Step 4: Simplify right side
    4,800.16x = 10,897,112.53
  5. Step 5: Solve for x
    x = 10,897,112.53/4,800.16
  6. Step 6: Final answer
    x = 2,270.16

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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.