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Finding the Fourth Proportional to 5,246.60, 7,865.03 and 1,957.19

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Solution

The fourth proportional to 5,246.60, 7,865.03 and 1,957.19 is: 2,933.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.60 : 7,865.03 = 1,957.19 : x
  2. Step 2: Convert to fraction form
    5,246.60/7,865.03 = 1,957.19/x
  3. Step 3: Cross multiply
    5,246.60x = 7,865.03 × 1,957.19
  4. Step 4: Simplify right side
    5,246.60x = 15,393,323.63
  5. Step 5: Solve for x
    x = 15,393,323.63/5,246.60
  6. Step 6: Final answer
    x = 2,933.96

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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.