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Finding the Fourth Proportional to 2,887.54, 4,329.76 and 1,499.48

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Solution

The fourth proportional to 2,887.54, 4,329.76 and 1,499.48 is: 2,248.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.54 : 4,329.76 = 1,499.48 : x
  2. Step 2: Convert to fraction form
    2,887.54/4,329.76 = 1,499.48/x
  3. Step 3: Cross multiply
    2,887.54x = 4,329.76 × 1,499.48
  4. Step 4: Simplify right side
    2,887.54x = 6,492,363.13
  5. Step 5: Solve for x
    x = 6,492,363.13/2,887.54
  6. Step 6: Final answer
    x = 2,248.41

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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.