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Finding the Fourth Proportional to 28,995.93, 40,045.86 and 23,349.29

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Solution

The fourth proportional to 28,995.93, 40,045.86 and 23,349.29 is: 32,247.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.93 : 40,045.86 = 23,349.29 : x
  2. Step 2: Convert to fraction form
    28,995.93/40,045.86 = 23,349.29/x
  3. Step 3: Cross multiply
    28,995.93x = 40,045.86 × 23,349.29
  4. Step 4: Simplify right side
    28,995.93x = 935,042,198.21
  5. Step 5: Solve for x
    x = 935,042,198.21/28,995.93
  6. Step 6: Final answer
    x = 32,247.36

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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.