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Finding the Fourth Proportional to 24,203.90, 36,266.88 and 20,315.90

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Solution

The fourth proportional to 24,203.90, 36,266.88 and 20,315.90 is: 30,441.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,203.90 : 36,266.88 = 20,315.90 : x
  2. Step 2: Convert to fraction form
    24,203.90/36,266.88 = 20,315.90/x
  3. Step 3: Cross multiply
    24,203.90x = 36,266.88 × 20,315.90
  4. Step 4: Simplify right side
    24,203.90x = 736,794,307.39
  5. Step 5: Solve for x
    x = 736,794,307.39/24,203.90
  6. Step 6: Final answer
    x = 30,441.14

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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.