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Finding the Fourth Proportional to 6,801.52, 10,201.12 and 1,870

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Solution

The fourth proportional to 6,801.52, 10,201.12 and 1,870 is: 2,804.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,801.52 : 10,201.12 = 1,870 : x
  2. Step 2: Convert to fraction form
    6,801.52/10,201.12 = 1,870/x
  3. Step 3: Cross multiply
    6,801.52x = 10,201.12 × 1,870
  4. Step 4: Simplify right side
    6,801.52x = 19,076,094.40
  5. Step 5: Solve for x
    x = 19,076,094.40/6,801.52
  6. Step 6: Final answer
    x = 2,804.68

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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.