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Finding the Fourth Proportional to 39,592.76, 59,392.91 and 11,129.64

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Solution

The fourth proportional to 39,592.76, 59,392.91 and 11,129.64 is: 16,695.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.76 : 59,392.91 = 11,129.64 : x
  2. Step 2: Convert to fraction form
    39,592.76/59,392.91 = 11,129.64/x
  3. Step 3: Cross multiply
    39,592.76x = 59,392.91 × 11,129.64
  4. Step 4: Simplify right side
    39,592.76x = 661,021,706.85
  5. Step 5: Solve for x
    x = 661,021,706.85/39,592.76
  6. Step 6: Final answer
    x = 16,695.52

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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.