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Finding the Fourth Proportional to 24,798.96, 34,223.16 and 13,621.20

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Solution

The fourth proportional to 24,798.96, 34,223.16 and 13,621.20 is: 18,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,798.96 : 34,223.16 = 13,621.20 : x
  2. Step 2: Convert to fraction form
    24,798.96/34,223.16 = 13,621.20/x
  3. Step 3: Cross multiply
    24,798.96x = 34,223.16 × 13,621.20
  4. Step 4: Simplify right side
    24,798.96x = 466,160,506.99
  5. Step 5: Solve for x
    x = 466,160,506.99/24,798.96
  6. Step 6: Final answer
    x = 18,797.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.