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Finding the Fourth Proportional to 58,454.66, 80,667.43 and 42,552.44

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Solution

The fourth proportional to 58,454.66, 80,667.43 and 42,552.44 is: 58,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,454.66 : 80,667.43 = 42,552.44 : x
  2. Step 2: Convert to fraction form
    58,454.66/80,667.43 = 42,552.44/x
  3. Step 3: Cross multiply
    58,454.66x = 80,667.43 × 42,552.44
  4. Step 4: Simplify right side
    58,454.66x = 3,432,595,776.13
  5. Step 5: Solve for x
    x = 3,432,595,776.13/58,454.66
  6. Step 6: Final answer
    x = 58,722.36

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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.