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Finding the Fourth Proportional to 7,750.80, 11,573.70 and 6,088.68

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Solution

The fourth proportional to 7,750.80, 11,573.70 and 6,088.68 is: 9,091.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.80 : 11,573.70 = 6,088.68 : x
  2. Step 2: Convert to fraction form
    7,750.80/11,573.70 = 6,088.68/x
  3. Step 3: Cross multiply
    7,750.80x = 11,573.70 × 6,088.68
  4. Step 4: Simplify right side
    7,750.80x = 70,468,555.72
  5. Step 5: Solve for x
    x = 70,468,555.72/7,750.80
  6. Step 6: Final answer
    x = 9,091.78

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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.