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Finding the Fourth Proportional to 55,992.96, 77,270.29 and 30,842.46

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Solution

The fourth proportional to 55,992.96, 77,270.29 and 30,842.46 is: 42,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,992.96 : 77,270.29 = 30,842.46 : x
  2. Step 2: Convert to fraction form
    55,992.96/77,270.29 = 30,842.46/x
  3. Step 3: Cross multiply
    55,992.96x = 77,270.29 × 30,842.46
  4. Step 4: Simplify right side
    55,992.96x = 2,383,205,751.41
  5. Step 5: Solve for x
    x = 2,383,205,751.41/55,992.96
  6. Step 6: Final answer
    x = 42,562.60

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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.