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Finding the Fourth Proportional to 34,670.49, 47,845.04 and 18,754.71

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Solution

The fourth proportional to 34,670.49, 47,845.04 and 18,754.71 is: 25,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.49 : 47,845.04 = 18,754.71 : x
  2. Step 2: Convert to fraction form
    34,670.49/47,845.04 = 18,754.71/x
  3. Step 3: Cross multiply
    34,670.49x = 47,845.04 × 18,754.71
  4. Step 4: Simplify right side
    34,670.49x = 897,319,756.36
  5. Step 5: Solve for x
    x = 897,319,756.36/34,670.49
  6. Step 6: Final answer
    x = 25,881.37

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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.