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Finding the Fourth Proportional to 1,884.54, 2,600.53 and 1,087.86

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Solution

The fourth proportional to 1,884.54, 2,600.53 and 1,087.86 is: 1,501.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.54 : 2,600.53 = 1,087.86 : x
  2. Step 2: Convert to fraction form
    1,884.54/2,600.53 = 1,087.86/x
  3. Step 3: Cross multiply
    1,884.54x = 2,600.53 × 1,087.86
  4. Step 4: Simplify right side
    1,884.54x = 2,829,012.57
  5. Step 5: Solve for x
    x = 2,829,012.57/1,884.54
  6. Step 6: Final answer
    x = 1,501.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.