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Finding the Fourth Proportional to 3,201.60, 4,803 and 1,010.14

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Solution

The fourth proportional to 3,201.60, 4,803 and 1,010.14 is: 1,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.60 : 4,803 = 1,010.14 : x
  2. Step 2: Convert to fraction form
    3,201.60/4,803 = 1,010.14/x
  3. Step 3: Cross multiply
    3,201.60x = 4,803 × 1,010.14
  4. Step 4: Simplify right side
    3,201.60x = 4,851,702.42
  5. Step 5: Solve for x
    x = 4,851,702.42/3,201.60
  6. Step 6: Final answer
    x = 1,515.40

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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.