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Finding the Fourth Proportional to 34,575.48, 47,713.26 and 19,671.48

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Solution

The fourth proportional to 34,575.48, 47,713.26 and 19,671.48 is: 27,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575.48 : 47,713.26 = 19,671.48 : x
  2. Step 2: Convert to fraction form
    34,575.48/47,713.26 = 19,671.48/x
  3. Step 3: Cross multiply
    34,575.48x = 47,713.26 × 19,671.48
  4. Step 4: Simplify right side
    34,575.48x = 938,590,439.82
  5. Step 5: Solve for x
    x = 938,590,439.82/34,575.48
  6. Step 6: Final answer
    x = 27,146.13

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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.