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Finding the Fourth Proportional to 34,808.75, 48,034.79 and 18,892.86

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Solution

The fourth proportional to 34,808.75, 48,034.79 and 18,892.86 is: 26,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,808.75 : 48,034.79 = 18,892.86 : x
  2. Step 2: Convert to fraction form
    34,808.75/48,034.79 = 18,892.86/x
  3. Step 3: Cross multiply
    34,808.75x = 48,034.79 × 18,892.86
  4. Step 4: Simplify right side
    34,808.75x = 907,514,562.60
  5. Step 5: Solve for x
    x = 907,514,562.60/34,808.75
  6. Step 6: Final answer
    x = 26,071.45

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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.