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Finding the Fourth Proportional to 9,594.47, 13,239.42 and 7,077.94

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Solution

The fourth proportional to 9,594.47, 13,239.42 and 7,077.94 is: 9,766.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,594.47 : 13,239.42 = 7,077.94 : x
  2. Step 2: Convert to fraction form
    9,594.47/13,239.42 = 7,077.94/x
  3. Step 3: Cross multiply
    9,594.47x = 13,239.42 × 7,077.94
  4. Step 4: Simplify right side
    9,594.47x = 93,707,754.20
  5. Step 5: Solve for x
    x = 93,707,754.20/9,594.47
  6. Step 6: Final answer
    x = 9,766.85

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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.