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Finding the Fourth Proportional to 8,975.32, 12,384.44 and 4,996.32

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Solution

The fourth proportional to 8,975.32, 12,384.44 and 4,996.32 is: 6,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.32 : 12,384.44 = 4,996.32 : x
  2. Step 2: Convert to fraction form
    8,975.32/12,384.44 = 4,996.32/x
  3. Step 3: Cross multiply
    8,975.32x = 12,384.44 × 4,996.32
  4. Step 4: Simplify right side
    8,975.32x = 61,876,625.26
  5. Step 5: Solve for x
    x = 61,876,625.26/8,975.32
  6. Step 6: Final answer
    x = 6,894.09

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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.