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Finding the Fourth Proportional to 24,927.12, 34,398 and 13,749.12

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Solution

The fourth proportional to 24,927.12, 34,398 and 13,749.12 is: 18,973.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,927.12 : 34,398 = 13,749.12 : x
  2. Step 2: Convert to fraction form
    24,927.12/34,398 = 13,749.12/x
  3. Step 3: Cross multiply
    24,927.12x = 34,398 × 13,749.12
  4. Step 4: Simplify right side
    24,927.12x = 472,942,229.76
  5. Step 5: Solve for x
    x = 472,942,229.76/24,927.12
  6. Step 6: Final answer
    x = 18,973.00

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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.