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Finding the Fourth Proportional to 34,575, 47,713.23 and 19,467.78

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Solution

The fourth proportional to 34,575, 47,713.23 and 19,467.78 is: 26,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,575 : 47,713.23 = 19,467.78 : x
  2. Step 2: Convert to fraction form
    34,575/47,713.23 = 19,467.78/x
  3. Step 3: Cross multiply
    34,575x = 47,713.23 × 19,467.78
  4. Step 4: Simplify right side
    34,575x = 928,870,664.73
  5. Step 5: Solve for x
    x = 928,870,664.73/34,575
  6. Step 6: Final answer
    x = 26,865.38

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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.