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Finding the Fourth Proportional to 9,841.66, 13,578.46 and 6,483.29

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Solution

The fourth proportional to 9,841.66, 13,578.46 and 6,483.29 is: 8,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.66 : 13,578.46 = 6,483.29 : x
  2. Step 2: Convert to fraction form
    9,841.66/13,578.46 = 6,483.29/x
  3. Step 3: Cross multiply
    9,841.66x = 13,578.46 × 6,483.29
  4. Step 4: Simplify right side
    9,841.66x = 88,033,009.83
  5. Step 5: Solve for x
    x = 88,033,009.83/9,841.66
  6. Step 6: Final answer
    x = 8,944.94

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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.