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Finding the Fourth Proportional to 7,308.81, 10,963.22 and 2,923.20

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Solution

The fourth proportional to 7,308.81, 10,963.22 and 2,923.20 is: 4,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.81 : 10,963.22 = 2,923.20 : x
  2. Step 2: Convert to fraction form
    7,308.81/10,963.22 = 2,923.20/x
  3. Step 3: Cross multiply
    7,308.81x = 10,963.22 × 2,923.20
  4. Step 4: Simplify right side
    7,308.81x = 32,047,670.09
  5. Step 5: Solve for x
    x = 32,047,670.09/7,308.81
  6. Step 6: Final answer
    x = 4,384.80

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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.