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Finding the Fourth Proportional to 45,302.58, 67,648.79 and 36,999.08

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Solution

The fourth proportional to 45,302.58, 67,648.79 and 36,999.08 is: 55,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.58 : 67,648.79 = 36,999.08 : x
  2. Step 2: Convert to fraction form
    45,302.58/67,648.79 = 36,999.08/x
  3. Step 3: Cross multiply
    45,302.58x = 67,648.79 × 36,999.08
  4. Step 4: Simplify right side
    45,302.58x = 2,502,942,747.37
  5. Step 5: Solve for x
    x = 2,502,942,747.37/45,302.58
  6. Step 6: Final answer
    x = 55,249.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.