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Finding the Fourth Proportional to 4,862.76, 7,292.52 and 1,940.28

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Solution

The fourth proportional to 4,862.76, 7,292.52 and 1,940.28 is: 2,909.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,862.76 : 7,292.52 = 1,940.28 : x
  2. Step 2: Convert to fraction form
    4,862.76/7,292.52 = 1,940.28/x
  3. Step 3: Cross multiply
    4,862.76x = 7,292.52 × 1,940.28
  4. Step 4: Simplify right side
    4,862.76x = 14,149,530.71
  5. Step 5: Solve for x
    x = 14,149,530.71/4,862.76
  6. Step 6: Final answer
    x = 2,909.77

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1.5x scale

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.