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Finding the Fourth Proportional to 2,310.96, 3,465.05 and 924.94

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Solution

The fourth proportional to 2,310.96, 3,465.05 and 924.94 is: 1,386.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.96 : 3,465.05 = 924.94 : x
  2. Step 2: Convert to fraction form
    2,310.96/3,465.05 = 924.94/x
  3. Step 3: Cross multiply
    2,310.96x = 3,465.05 × 924.94
  4. Step 4: Simplify right side
    2,310.96x = 3,204,980.60
  5. Step 5: Solve for x
    x = 3,204,980.60/2,310.96
  6. Step 6: Final answer
    x = 1,386.86

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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.