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Finding the Fourth Proportional to 7,975.63, 11,957.52 and 5,503.41

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Solution

The fourth proportional to 7,975.63, 11,957.52 and 5,503.41 is: 8,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,975.63 : 11,957.52 = 5,503.41 : x
  2. Step 2: Convert to fraction form
    7,975.63/11,957.52 = 5,503.41/x
  3. Step 3: Cross multiply
    7,975.63x = 11,957.52 × 5,503.41
  4. Step 4: Simplify right side
    7,975.63x = 65,807,155.78
  5. Step 5: Solve for x
    x = 65,807,155.78/7,975.63
  6. Step 6: Final answer
    x = 8,251.03

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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.