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Finding the Fourth Proportional to 9,164.81, 13,747.98 and 2,925.71

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Solution

The fourth proportional to 9,164.81, 13,747.98 and 2,925.71 is: 4,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.81 : 13,747.98 = 2,925.71 : x
  2. Step 2: Convert to fraction form
    9,164.81/13,747.98 = 2,925.71/x
  3. Step 3: Cross multiply
    9,164.81x = 13,747.98 × 2,925.71
  4. Step 4: Simplify right side
    9,164.81x = 40,222,585.38
  5. Step 5: Solve for x
    x = 40,222,585.38/9,164.81
  6. Step 6: Final answer
    x = 4,388.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.