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Finding the Fourth Proportional to 35,999.86, 53,999.78 and 19,336.96

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Solution

The fourth proportional to 35,999.86, 53,999.78 and 19,336.96 is: 29,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,999.86 : 53,999.78 = 19,336.96 : x
  2. Step 2: Convert to fraction form
    35,999.86/53,999.78 = 19,336.96/x
  3. Step 3: Cross multiply
    35,999.86x = 53,999.78 × 19,336.96
  4. Step 4: Simplify right side
    35,999.86x = 1,044,191,585.87
  5. Step 5: Solve for x
    x = 1,044,191,585.87/35,999.86
  6. Step 6: Final answer
    x = 29,005.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.