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Finding the Fourth Proportional to 2,567.80, 3,851.76 and 924.48

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Solution

The fourth proportional to 2,567.80, 3,851.76 and 924.48 is: 1,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,567.80 : 3,851.76 = 924.48 : x
  2. Step 2: Convert to fraction form
    2,567.80/3,851.76 = 924.48/x
  3. Step 3: Cross multiply
    2,567.80x = 3,851.76 × 924.48
  4. Step 4: Simplify right side
    2,567.80x = 3,560,875.08
  5. Step 5: Solve for x
    x = 3,560,875.08/2,567.80
  6. Step 6: Final answer
    x = 1,386.74

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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.