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Finding the Fourth Proportional to 24,580.99, 36,807.90 and 20,622.66

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Solution

The fourth proportional to 24,580.99, 36,807.90 and 20,622.66 is: 30,880.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,580.99 : 36,807.90 = 20,622.66 : x
  2. Step 2: Convert to fraction form
    24,580.99/36,807.90 = 20,622.66/x
  3. Step 3: Cross multiply
    24,580.99x = 36,807.90 × 20,622.66
  4. Step 4: Simplify right side
    24,580.99x = 759,076,807.01
  5. Step 5: Solve for x
    x = 759,076,807.01/24,580.99
  6. Step 6: Final answer
    x = 30,880.64

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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.