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Finding the Fourth Proportional to 34,392.34, 47,460.78 and 19,285.54

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Solution

The fourth proportional to 34,392.34, 47,460.78 and 19,285.54 is: 26,613.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392.34 : 47,460.78 = 19,285.54 : x
  2. Step 2: Convert to fraction form
    34,392.34/47,460.78 = 19,285.54/x
  3. Step 3: Cross multiply
    34,392.34x = 47,460.78 × 19,285.54
  4. Step 4: Simplify right side
    34,392.34x = 915,306,771.12
  5. Step 5: Solve for x
    x = 915,306,771.12/34,392.34
  6. Step 6: Final answer
    x = 26,613.68

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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.