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Finding the Fourth Proportional to 2,567.71, 3,851.85 and 924.91

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Solution

The fourth proportional to 2,567.71, 3,851.85 and 924.91 is: 1,387.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.71 : 3,851.85 = 924.91 : x
  2. Step 2: Convert to fraction form
    2,567.71/3,851.85 = 924.91/x
  3. Step 3: Cross multiply
    2,567.71x = 3,851.85 × 924.91
  4. Step 4: Simplify right side
    2,567.71x = 3,562,614.58
  5. Step 5: Solve for x
    x = 3,562,614.58/2,567.71
  6. Step 6: Final answer
    x = 1,387.47

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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.