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Finding the Fourth Proportional to 2,295.76, 3,445.32 and 835.04

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Solution

The fourth proportional to 2,295.76, 3,445.32 and 835.04 is: 1,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.76 : 3,445.32 = 835.04 : x
  2. Step 2: Convert to fraction form
    2,295.76/3,445.32 = 835.04/x
  3. Step 3: Cross multiply
    2,295.76x = 3,445.32 × 835.04
  4. Step 4: Simplify right side
    2,295.76x = 2,876,980.01
  5. Step 5: Solve for x
    x = 2,876,980.01/2,295.76
  6. Step 6: Final answer
    x = 1,253.17

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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.