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Finding the Fourth Proportional to 8,809.64, 13,188.53 and 5,880.68

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Solution

The fourth proportional to 8,809.64, 13,188.53 and 5,880.68 is: 8,803.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,809.64 : 13,188.53 = 5,880.68 : x
  2. Step 2: Convert to fraction form
    8,809.64/13,188.53 = 5,880.68/x
  3. Step 3: Cross multiply
    8,809.64x = 13,188.53 × 5,880.68
  4. Step 4: Simplify right side
    8,809.64x = 77,557,473.36
  5. Step 5: Solve for x
    x = 77,557,473.36/8,809.64
  6. Step 6: Final answer
    x = 8,803.71

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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.