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Finding the Fourth Proportional to 30,164.40, 45,217.80 and 23,497.20

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Solution

The fourth proportional to 30,164.40, 45,217.80 and 23,497.20 is: 35,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,164.40 : 45,217.80 = 23,497.20 : x
  2. Step 2: Convert to fraction form
    30,164.40/45,217.80 = 23,497.20/x
  3. Step 3: Cross multiply
    30,164.40x = 45,217.80 × 23,497.20
  4. Step 4: Simplify right side
    30,164.40x = 1,062,491,690.16
  5. Step 5: Solve for x
    x = 1,062,491,690.16/30,164.40
  6. Step 6: Final answer
    x = 35,223.37

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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.