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Finding the Fourth Proportional to 7,458.52, 11,124.48 and 7,327.32

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Solution

The fourth proportional to 7,458.52, 11,124.48 and 7,327.32 is: 10,928.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.52 : 11,124.48 = 7,327.32 : x
  2. Step 2: Convert to fraction form
    7,458.52/11,124.48 = 7,327.32/x
  3. Step 3: Cross multiply
    7,458.52x = 11,124.48 × 7,327.32
  4. Step 4: Simplify right side
    7,458.52x = 81,512,624.79
  5. Step 5: Solve for x
    x = 81,512,624.79/7,458.52
  6. Step 6: Final answer
    x = 10,928.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.