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Finding the Fourth Proportional to 58,451.52, 80,667.72 and 33,300.48

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Solution

The fourth proportional to 58,451.52, 80,667.72 and 33,300.48 is: 45,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,451.52 : 80,667.72 = 33,300.48 : x
  2. Step 2: Convert to fraction form
    58,451.52/80,667.72 = 33,300.48/x
  3. Step 3: Cross multiply
    58,451.52x = 80,667.72 × 33,300.48
  4. Step 4: Simplify right side
    58,451.52x = 2,686,273,796.51
  5. Step 5: Solve for x
    x = 2,686,273,796.51/58,451.52
  6. Step 6: Final answer
    x = 45,957.30

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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.