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Finding the Fourth Proportional to 9,615.74, 13,267.71 and 5,836.79

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Solution

The fourth proportional to 9,615.74, 13,267.71 and 5,836.79 is: 8,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615.74 : 13,267.71 = 5,836.79 : x
  2. Step 2: Convert to fraction form
    9,615.74/13,267.71 = 5,836.79/x
  3. Step 3: Cross multiply
    9,615.74x = 13,267.71 × 5,836.79
  4. Step 4: Simplify right side
    9,615.74x = 77,440,870.22
  5. Step 5: Solve for x
    x = 77,440,870.22/9,615.74
  6. Step 6: Final answer
    x = 8,053.56

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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.