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Finding the Fourth Proportional to 34,670.52, 47,845.08 and 18,754.63

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Solution

The fourth proportional to 34,670.52, 47,845.08 and 18,754.63 is: 25,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,670.52 : 47,845.08 = 18,754.63 : x
  2. Step 2: Convert to fraction form
    34,670.52/47,845.08 = 18,754.63/x
  3. Step 3: Cross multiply
    34,670.52x = 47,845.08 × 18,754.63
  4. Step 4: Simplify right side
    34,670.52x = 897,316,772.72
  5. Step 5: Solve for x
    x = 897,316,772.72/34,670.52
  6. Step 6: Final answer
    x = 25,881.26

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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.