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Finding the Fourth Proportional to 25,695.78, 38,548.07 and 8,827.99

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Solution

The fourth proportional to 25,695.78, 38,548.07 and 8,827.99 is: 13,243.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,695.78 : 38,548.07 = 8,827.99 : x
  2. Step 2: Convert to fraction form
    25,695.78/38,548.07 = 8,827.99/x
  3. Step 3: Cross multiply
    25,695.78x = 38,548.07 × 8,827.99
  4. Step 4: Simplify right side
    25,695.78x = 340,301,902.18
  5. Step 5: Solve for x
    x = 340,301,902.18/25,695.78
  6. Step 6: Final answer
    x = 13,243.49

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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.