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Finding the Fourth Proportional to 26,599.61, 39,911.54 and 9,960.95

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Solution

The fourth proportional to 26,599.61, 39,911.54 and 9,960.95 is: 14,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,599.61 : 39,911.54 = 9,960.95 : x
  2. Step 2: Convert to fraction form
    26,599.61/39,911.54 = 9,960.95/x
  3. Step 3: Cross multiply
    26,599.61x = 39,911.54 × 9,960.95
  4. Step 4: Simplify right side
    26,599.61x = 397,556,904.34
  5. Step 5: Solve for x
    x = 397,556,904.34/26,599.61
  6. Step 6: Final answer
    x = 14,945.97

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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.