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Finding the Fourth Proportional to 5,289.92, 7,934.88 and 2,552

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Solution

The fourth proportional to 5,289.92, 7,934.88 and 2,552 is: 3,828.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.92 : 7,934.88 = 2,552 : x
  2. Step 2: Convert to fraction form
    5,289.92/7,934.88 = 2,552/x
  3. Step 3: Cross multiply
    5,289.92x = 7,934.88 × 2,552
  4. Step 4: Simplify right side
    5,289.92x = 20,249,813.76
  5. Step 5: Solve for x
    x = 20,249,813.76/5,289.92
  6. Step 6: Final answer
    x = 3,828.00

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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.