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Finding the Fourth Proportional to 4,981.26, 7,471.79 and 1,283.45

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Solution

The fourth proportional to 4,981.26, 7,471.79 and 1,283.45 is: 1,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.26 : 7,471.79 = 1,283.45 : x
  2. Step 2: Convert to fraction form
    4,981.26/7,471.79 = 1,283.45/x
  3. Step 3: Cross multiply
    4,981.26x = 7,471.79 × 1,283.45
  4. Step 4: Simplify right side
    4,981.26x = 9,589,625.10
  5. Step 5: Solve for x
    x = 9,589,625.10/4,981.26
  6. Step 6: Final answer
    x = 1,925.14

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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.