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Finding the Fourth Proportional to 13,249.56, 19,877.56 and 4,929.88

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Solution

The fourth proportional to 13,249.56, 19,877.56 and 4,929.88 is: 7,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.56 : 19,877.56 = 4,929.88 : x
  2. Step 2: Convert to fraction form
    13,249.56/19,877.56 = 4,929.88/x
  3. Step 3: Cross multiply
    13,249.56x = 19,877.56 × 4,929.88
  4. Step 4: Simplify right side
    13,249.56x = 97,993,985.49
  5. Step 5: Solve for x
    x = 97,993,985.49/13,249.56
  6. Step 6: Final answer
    x = 7,396.02

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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.