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Finding the Fourth Proportional to 24,420.90, 36,626.55 and 8,004.90

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Solution

The fourth proportional to 24,420.90, 36,626.55 and 8,004.90 is: 12,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.90 : 36,626.55 = 8,004.90 : x
  2. Step 2: Convert to fraction form
    24,420.90/36,626.55 = 8,004.90/x
  3. Step 3: Cross multiply
    24,420.90x = 36,626.55 × 8,004.90
  4. Step 4: Simplify right side
    24,420.90x = 293,191,870.10
  5. Step 5: Solve for x
    x = 293,191,870.10/24,420.90
  6. Step 6: Final answer
    x = 12,005.78

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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.