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Finding the Fourth Proportional to 39,493.83, 59,238.92 and 9,911.01

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Solution

The fourth proportional to 39,493.83, 59,238.92 and 9,911.01 is: 14,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,493.83 : 59,238.92 = 9,911.01 : x
  2. Step 2: Convert to fraction form
    39,493.83/59,238.92 = 9,911.01/x
  3. Step 3: Cross multiply
    39,493.83x = 59,238.92 × 9,911.01
  4. Step 4: Simplify right side
    39,493.83x = 587,117,182.76
  5. Step 5: Solve for x
    x = 587,117,182.76/39,493.83
  6. Step 6: Final answer
    x = 14,866.05

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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.