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Finding the Fourth Proportional to 8,795.76, 13,191.21 and 3,530.76

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Solution

The fourth proportional to 8,795.76, 13,191.21 and 3,530.76 is: 5,295.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.76 : 13,191.21 = 3,530.76 : x
  2. Step 2: Convert to fraction form
    8,795.76/13,191.21 = 3,530.76/x
  3. Step 3: Cross multiply
    8,795.76x = 13,191.21 × 3,530.76
  4. Step 4: Simplify right side
    8,795.76x = 46,574,996.62
  5. Step 5: Solve for x
    x = 46,574,996.62/8,795.76
  6. Step 6: Final answer
    x = 5,295.16

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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.