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Finding the Fourth Proportional to 40,866.99, 56,396.50 and 22,961.99

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Solution

The fourth proportional to 40,866.99, 56,396.50 and 22,961.99 is: 31,687.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,866.99 : 56,396.50 = 22,961.99 : x
  2. Step 2: Convert to fraction form
    40,866.99/56,396.50 = 22,961.99/x
  3. Step 3: Cross multiply
    40,866.99x = 56,396.50 × 22,961.99
  4. Step 4: Simplify right side
    40,866.99x = 1,294,975,869.04
  5. Step 5: Solve for x
    x = 1,294,975,869.04/40,866.99
  6. Step 6: Final answer
    x = 31,687.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.