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Finding the Fourth Proportional to 7,295.48, 10,944.48 and 4,178.96

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Solution

The fourth proportional to 7,295.48, 10,944.48 and 4,178.96 is: 6,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.48 : 10,944.48 = 4,178.96 : x
  2. Step 2: Convert to fraction form
    7,295.48/10,944.48 = 4,178.96/x
  3. Step 3: Cross multiply
    7,295.48x = 10,944.48 × 4,178.96
  4. Step 4: Simplify right side
    7,295.48x = 45,736,544.14
  5. Step 5: Solve for x
    x = 45,736,544.14/7,295.48
  6. Step 6: Final answer
    x = 6,269.16

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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.