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Finding the Fourth Proportional to 6,592.55, 9,887.28 and 1,911.31

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Solution

The fourth proportional to 6,592.55, 9,887.28 and 1,911.31 is: 2,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,592.55 : 9,887.28 = 1,911.31 : x
  2. Step 2: Convert to fraction form
    6,592.55/9,887.28 = 1,911.31/x
  3. Step 3: Cross multiply
    6,592.55x = 9,887.28 × 1,911.31
  4. Step 4: Simplify right side
    6,592.55x = 18,897,657.14
  5. Step 5: Solve for x
    x = 18,897,657.14/6,592.55
  6. Step 6: Final answer
    x = 2,866.52

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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.