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Finding the Fourth Proportional to 35,313.91, 48,733.55 and 19,181.53

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Solution

The fourth proportional to 35,313.91, 48,733.55 and 19,181.53 is: 26,470.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,313.91 : 48,733.55 = 19,181.53 : x
  2. Step 2: Convert to fraction form
    35,313.91/48,733.55 = 19,181.53/x
  3. Step 3: Cross multiply
    35,313.91x = 48,733.55 × 19,181.53
  4. Step 4: Simplify right side
    35,313.91x = 934,784,051.33
  5. Step 5: Solve for x
    x = 934,784,051.33/35,313.91
  6. Step 6: Final answer
    x = 26,470.71

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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.