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Finding the Fourth Proportional to 24,598.40, 33,945.60 and 13,420.16

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Solution

The fourth proportional to 24,598.40, 33,945.60 and 13,420.16 is: 18,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,598.40 : 33,945.60 = 13,420.16 : x
  2. Step 2: Convert to fraction form
    24,598.40/33,945.60 = 13,420.16/x
  3. Step 3: Cross multiply
    24,598.40x = 33,945.60 × 13,420.16
  4. Step 4: Simplify right side
    24,598.40x = 455,555,383.30
  5. Step 5: Solve for x
    x = 455,555,383.30/24,598.40
  6. Step 6: Final answer
    x = 18,519.72

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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.