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Finding the Fourth Proportional to 6,636.66, 9,148.77 and 4,246.37

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Solution

The fourth proportional to 6,636.66, 9,148.77 and 4,246.37 is: 5,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636.66 : 9,148.77 = 4,246.37 : x
  2. Step 2: Convert to fraction form
    6,636.66/9,148.77 = 4,246.37/x
  3. Step 3: Cross multiply
    6,636.66x = 9,148.77 × 4,246.37
  4. Step 4: Simplify right side
    6,636.66x = 38,849,051.03
  5. Step 5: Solve for x
    x = 38,849,051.03/6,636.66
  6. Step 6: Final answer
    x = 5,853.71

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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.