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Finding the Fourth Proportional to 58,458.48, 80,562.48 and 42,298.44

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Solution

The fourth proportional to 58,458.48, 80,562.48 and 42,298.44 is: 58,292.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458.48 : 80,562.48 = 42,298.44 : x
  2. Step 2: Convert to fraction form
    58,458.48/80,562.48 = 42,298.44/x
  3. Step 3: Cross multiply
    58,458.48x = 80,562.48 × 42,298.44
  4. Step 4: Simplify right side
    58,458.48x = 3,407,667,226.53
  5. Step 5: Solve for x
    x = 3,407,667,226.53/58,458.48
  6. Step 6: Final answer
    x = 58,292.09

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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.