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Finding the Fourth Proportional to 5,009.52, 7,512.93 and 1,887.53

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Solution

The fourth proportional to 5,009.52, 7,512.93 and 1,887.53 is: 2,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.52 : 7,512.93 = 1,887.53 : x
  2. Step 2: Convert to fraction form
    5,009.52/7,512.93 = 1,887.53/x
  3. Step 3: Cross multiply
    5,009.52x = 7,512.93 × 1,887.53
  4. Step 4: Simplify right side
    5,009.52x = 14,180,899.55
  5. Step 5: Solve for x
    x = 14,180,899.55/5,009.52
  6. Step 6: Final answer
    x = 2,830.79

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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.