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Finding the Fourth Proportional to 9,333.26, 12,880.82 and 6,971.30

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Solution

The fourth proportional to 9,333.26, 12,880.82 and 6,971.30 is: 9,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,333.26 : 12,880.82 = 6,971.30 : x
  2. Step 2: Convert to fraction form
    9,333.26/12,880.82 = 6,971.30/x
  3. Step 3: Cross multiply
    9,333.26x = 12,880.82 × 6,971.30
  4. Step 4: Simplify right side
    9,333.26x = 89,796,060.47
  5. Step 5: Solve for x
    x = 89,796,060.47/9,333.26
  6. Step 6: Final answer
    x = 9,621.08

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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.