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Finding the Fourth Proportional to 7,528.75, 11,276.72 and 7,444.68

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Solution

The fourth proportional to 7,528.75, 11,276.72 and 7,444.68 is: 11,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.75 : 11,276.72 = 7,444.68 : x
  2. Step 2: Convert to fraction form
    7,528.75/11,276.72 = 7,444.68/x
  3. Step 3: Cross multiply
    7,528.75x = 11,276.72 × 7,444.68
  4. Step 4: Simplify right side
    7,528.75x = 83,951,615.40
  5. Step 5: Solve for x
    x = 83,951,615.40/7,528.75
  6. Step 6: Final answer
    x = 11,150.81

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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.