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Finding the Fourth Proportional to 7,948.77, 10,969.79 and 4,592.19

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Solution

The fourth proportional to 7,948.77, 10,969.79 and 4,592.19 is: 6,337.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.77 : 10,969.79 = 4,592.19 : x
  2. Step 2: Convert to fraction form
    7,948.77/10,969.79 = 4,592.19/x
  3. Step 3: Cross multiply
    7,948.77x = 10,969.79 × 4,592.19
  4. Step 4: Simplify right side
    7,948.77x = 50,375,359.94
  5. Step 5: Solve for x
    x = 50,375,359.94/7,948.77
  6. Step 6: Final answer
    x = 6,337.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.