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Finding the Fourth Proportional to 39,501.91, 59,250.99 and 9,919.09

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Solution

The fourth proportional to 39,501.91, 59,250.99 and 9,919.09 is: 14,878.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,501.91 : 59,250.99 = 9,919.09 : x
  2. Step 2: Convert to fraction form
    39,501.91/59,250.99 = 9,919.09/x
  3. Step 3: Cross multiply
    39,501.91x = 59,250.99 × 9,919.09
  4. Step 4: Simplify right side
    39,501.91x = 587,715,902.40
  5. Step 5: Solve for x
    x = 587,715,902.40/39,501.91
  6. Step 6: Final answer
    x = 14,878.16

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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.