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Finding the Fourth Proportional to 2,873.26, 4,308.88 and 924.94

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Solution

The fourth proportional to 2,873.26, 4,308.88 and 924.94 is: 1,387.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.26 : 4,308.88 = 924.94 : x
  2. Step 2: Convert to fraction form
    2,873.26/4,308.88 = 924.94/x
  3. Step 3: Cross multiply
    2,873.26x = 4,308.88 × 924.94
  4. Step 4: Simplify right side
    2,873.26x = 3,985,455.47
  5. Step 5: Solve for x
    x = 3,985,455.47/2,873.26
  6. Step 6: Final answer
    x = 1,387.08

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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.