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Finding the Fourth Proportional to 40,865.99, 56,395.12 and 22,960.99

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Solution

The fourth proportional to 40,865.99, 56,395.12 and 22,960.99 is: 31,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.99 : 56,395.12 = 22,960.99 : x
  2. Step 2: Convert to fraction form
    40,865.99/56,395.12 = 22,960.99/x
  3. Step 3: Cross multiply
    40,865.99x = 56,395.12 × 22,960.99
  4. Step 4: Simplify right side
    40,865.99x = 1,294,887,587.98
  5. Step 5: Solve for x
    x = 1,294,887,587.98/40,865.99
  6. Step 6: Final answer
    x = 31,686.19

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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.