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Finding the Fourth Proportional to 7,483.56, 11,223.90 and 2,288.76

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Solution

The fourth proportional to 7,483.56, 11,223.90 and 2,288.76 is: 3,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.56 : 11,223.90 = 2,288.76 : x
  2. Step 2: Convert to fraction form
    7,483.56/11,223.90 = 2,288.76/x
  3. Step 3: Cross multiply
    7,483.56x = 11,223.90 × 2,288.76
  4. Step 4: Simplify right side
    7,483.56x = 25,688,813.36
  5. Step 5: Solve for x
    x = 25,688,813.36/7,483.56
  6. Step 6: Final answer
    x = 3,432.70

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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.