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Finding the Fourth Proportional to 2,295.79, 3,167.95 and 1,300.87

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Solution

The fourth proportional to 2,295.79, 3,167.95 and 1,300.87 is: 1,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.79 : 3,167.95 = 1,300.87 : x
  2. Step 2: Convert to fraction form
    2,295.79/3,167.95 = 1,300.87/x
  3. Step 3: Cross multiply
    2,295.79x = 3,167.95 × 1,300.87
  4. Step 4: Simplify right side
    2,295.79x = 4,121,091.12
  5. Step 5: Solve for x
    x = 4,121,091.12/2,295.79
  6. Step 6: Final answer
    x = 1,795.06

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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.