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Finding the Fourth Proportional to 27,848.78, 41,772.48 and 8,127.51

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Solution

The fourth proportional to 27,848.78, 41,772.48 and 8,127.51 is: 12,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.78 : 41,772.48 = 8,127.51 : x
  2. Step 2: Convert to fraction form
    27,848.78/41,772.48 = 8,127.51/x
  3. Step 3: Cross multiply
    27,848.78x = 41,772.48 × 8,127.51
  4. Step 4: Simplify right side
    27,848.78x = 339,506,248.92
  5. Step 5: Solve for x
    x = 339,506,248.92/27,848.78
  6. Step 6: Final answer
    x = 12,191.06

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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.