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Finding the Fourth Proportional to 39,245.02, 58,866.99 and 9,663.10

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Solution

The fourth proportional to 39,245.02, 58,866.99 and 9,663.10 is: 14,494.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,245.02 : 58,866.99 = 9,663.10 : x
  2. Step 2: Convert to fraction form
    39,245.02/58,866.99 = 9,663.10/x
  3. Step 3: Cross multiply
    39,245.02x = 58,866.99 × 9,663.10
  4. Step 4: Simplify right side
    39,245.02x = 568,837,611.07
  5. Step 5: Solve for x
    x = 568,837,611.07/39,245.02
  6. Step 6: Final answer
    x = 14,494.52

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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.