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Finding the Fourth Proportional to 9,283.67, 12,809.39 and 5,504.91

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Solution

The fourth proportional to 9,283.67, 12,809.39 and 5,504.91 is: 7,595.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.67 : 12,809.39 = 5,504.91 : x
  2. Step 2: Convert to fraction form
    9,283.67/12,809.39 = 5,504.91/x
  3. Step 3: Cross multiply
    9,283.67x = 12,809.39 × 5,504.91
  4. Step 4: Simplify right side
    9,283.67x = 70,514,511.58
  5. Step 5: Solve for x
    x = 70,514,511.58/9,283.67
  6. Step 6: Final answer
    x = 7,595.55

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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.