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Finding the Fourth Proportional to 58,820.96, 81,170.76 and 31,962.88

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Solution

The fourth proportional to 58,820.96, 81,170.76 and 31,962.88 is: 44,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,820.96 : 81,170.76 = 31,962.88 : x
  2. Step 2: Convert to fraction form
    58,820.96/81,170.76 = 31,962.88/x
  3. Step 3: Cross multiply
    58,820.96x = 81,170.76 × 31,962.88
  4. Step 4: Simplify right side
    58,820.96x = 2,594,451,074.63
  5. Step 5: Solve for x
    x = 2,594,451,074.63/58,820.96
  6. Step 6: Final answer
    x = 44,107.60

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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.