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Finding the Fourth Proportional to 35,369.51, 48,809.12 and 19,453.61

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Solution

The fourth proportional to 35,369.51, 48,809.12 and 19,453.61 is: 26,845.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.51 : 48,809.12 = 19,453.61 : x
  2. Step 2: Convert to fraction form
    35,369.51/48,809.12 = 19,453.61/x
  3. Step 3: Cross multiply
    35,369.51x = 48,809.12 × 19,453.61
  4. Step 4: Simplify right side
    35,369.51x = 949,513,609.68
  5. Step 5: Solve for x
    x = 949,513,609.68/35,369.51
  6. Step 6: Final answer
    x = 26,845.54

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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.