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Finding the Fourth Proportional to 58,303.44, 80,451.36 and 33,153.48

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Solution

The fourth proportional to 58,303.44, 80,451.36 and 33,153.48 is: 45,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,303.44 : 80,451.36 = 33,153.48 : x
  2. Step 2: Convert to fraction form
    58,303.44/80,451.36 = 33,153.48/x
  3. Step 3: Cross multiply
    58,303.44x = 80,451.36 × 33,153.48
  4. Step 4: Simplify right side
    58,303.44x = 2,667,242,554.73
  5. Step 5: Solve for x
    x = 2,667,242,554.73/58,303.44
  6. Step 6: Final answer
    x = 45,747.60

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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.