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Finding the Fourth Proportional to 29,470.62, 40,670.02 and 23,104.82

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Solution

The fourth proportional to 29,470.62, 40,670.02 and 23,104.82 is: 31,885.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,470.62 : 40,670.02 = 23,104.82 : x
  2. Step 2: Convert to fraction form
    29,470.62/40,670.02 = 23,104.82/x
  3. Step 3: Cross multiply
    29,470.62x = 40,670.02 × 23,104.82
  4. Step 4: Simplify right side
    29,470.62x = 939,673,491.50
  5. Step 5: Solve for x
    x = 939,673,491.50/29,470.62
  6. Step 6: Final answer
    x = 31,885.09

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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.