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Finding the Fourth Proportional to 8,788.32, 13,164.48 and 4,894.80

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Solution

The fourth proportional to 8,788.32, 13,164.48 and 4,894.80 is: 7,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.32 : 13,164.48 = 4,894.80 : x
  2. Step 2: Convert to fraction form
    8,788.32/13,164.48 = 4,894.80/x
  3. Step 3: Cross multiply
    8,788.32x = 13,164.48 × 4,894.80
  4. Step 4: Simplify right side
    8,788.32x = 64,437,496.70
  5. Step 5: Solve for x
    x = 64,437,496.70/8,788.32
  6. Step 6: Final answer
    x = 7,332.17

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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.