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Finding the Fourth Proportional to 7,541.73, 10,403.37 and 4,811.15

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Solution

The fourth proportional to 7,541.73, 10,403.37 and 4,811.15 is: 6,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.73 : 10,403.37 = 4,811.15 : x
  2. Step 2: Convert to fraction form
    7,541.73/10,403.37 = 4,811.15/x
  3. Step 3: Cross multiply
    7,541.73x = 10,403.37 × 4,811.15
  4. Step 4: Simplify right side
    7,541.73x = 50,052,199.58
  5. Step 5: Solve for x
    x = 50,052,199.58/7,541.73
  6. Step 6: Final answer
    x = 6,636.70

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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.