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Finding the Fourth Proportional to 8,388.76, 11,575.62 and 4,853.08

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Solution

The fourth proportional to 8,388.76, 11,575.62 and 4,853.08 is: 6,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.76 : 11,575.62 = 4,853.08 : x
  2. Step 2: Convert to fraction form
    8,388.76/11,575.62 = 4,853.08/x
  3. Step 3: Cross multiply
    8,388.76x = 11,575.62 × 4,853.08
  4. Step 4: Simplify right side
    8,388.76x = 56,177,409.91
  5. Step 5: Solve for x
    x = 56,177,409.91/8,388.76
  6. Step 6: Final answer
    x = 6,696.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.