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Finding the Fourth Proportional to 58,575.30, 80,820.09 and 33,432.90

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Solution

The fourth proportional to 58,575.30, 80,820.09 and 33,432.90 is: 46,129.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,575.30 : 80,820.09 = 33,432.90 : x
  2. Step 2: Convert to fraction form
    58,575.30/80,820.09 = 33,432.90/x
  3. Step 3: Cross multiply
    58,575.30x = 80,820.09 × 33,432.90
  4. Step 4: Simplify right side
    58,575.30x = 2,702,049,986.96
  5. Step 5: Solve for x
    x = 2,702,049,986.96/58,575.30
  6. Step 6: Final answer
    x = 46,129.51

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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.