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Finding the Fourth Proportional to 40,931, 56,484.78 and 23,267

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Solution

The fourth proportional to 40,931, 56,484.78 and 23,267 is: 32,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,931 : 56,484.78 = 23,267 : x
  2. Step 2: Convert to fraction form
    40,931/56,484.78 = 23,267/x
  3. Step 3: Cross multiply
    40,931x = 56,484.78 × 23,267
  4. Step 4: Simplify right side
    40,931x = 1,314,231,376.26
  5. Step 5: Solve for x
    x = 1,314,231,376.26/40,931
  6. Step 6: Final answer
    x = 32,108.46

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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.