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Finding the Fourth Proportional to 24,368.64, 33,629.28 and 13,757.28

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Solution

The fourth proportional to 24,368.64, 33,629.28 and 13,757.28 is: 18,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,368.64 : 33,629.28 = 13,757.28 : x
  2. Step 2: Convert to fraction form
    24,368.64/33,629.28 = 13,757.28/x
  3. Step 3: Cross multiply
    24,368.64x = 33,629.28 × 13,757.28
  4. Step 4: Simplify right side
    24,368.64x = 462,647,421.16
  5. Step 5: Solve for x
    x = 462,647,421.16/24,368.64
  6. Step 6: Final answer
    x = 18,985.36

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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.