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Finding the Fourth Proportional to 27,699.92, 41,540.16 and 7,973.20

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Solution

The fourth proportional to 27,699.92, 41,540.16 and 7,973.20 is: 11,957.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,699.92 : 41,540.16 = 7,973.20 : x
  2. Step 2: Convert to fraction form
    27,699.92/41,540.16 = 7,973.20/x
  3. Step 3: Cross multiply
    27,699.92x = 41,540.16 × 7,973.20
  4. Step 4: Simplify right side
    27,699.92x = 331,208,003.71
  5. Step 5: Solve for x
    x = 331,208,003.71/27,699.92
  6. Step 6: Final answer
    x = 11,957.00

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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.