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Finding the Fourth Proportional to 8,769.76, 13,154.72 and 2,530.32

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Solution

The fourth proportional to 8,769.76, 13,154.72 and 2,530.32 is: 3,795.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.76 : 13,154.72 = 2,530.32 : x
  2. Step 2: Convert to fraction form
    8,769.76/13,154.72 = 2,530.32/x
  3. Step 3: Cross multiply
    8,769.76x = 13,154.72 × 2,530.32
  4. Step 4: Simplify right side
    8,769.76x = 33,285,651.11
  5. Step 5: Solve for x
    x = 33,285,651.11/8,769.76
  6. Step 6: Final answer
    x = 3,795.50

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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.