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Finding the Fourth Proportional to 9,841.43, 13,576.88 and 6,653.61

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Solution

The fourth proportional to 9,841.43, 13,576.88 and 6,653.61 is: 9,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.43 : 13,576.88 = 6,653.61 : x
  2. Step 2: Convert to fraction form
    9,841.43/13,576.88 = 6,653.61/x
  3. Step 3: Cross multiply
    9,841.43x = 13,576.88 × 6,653.61
  4. Step 4: Simplify right side
    9,841.43x = 90,335,281.17
  5. Step 5: Solve for x
    x = 90,335,281.17/9,841.43
  6. Step 6: Final answer
    x = 9,179.08

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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.