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Finding the Fourth Proportional to 58,800.96, 81,146.88 and 33,658.56

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Solution

The fourth proportional to 58,800.96, 81,146.88 and 33,658.56 is: 46,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,800.96 : 81,146.88 = 33,658.56 : x
  2. Step 2: Convert to fraction form
    58,800.96/81,146.88 = 33,658.56/x
  3. Step 3: Cross multiply
    58,800.96x = 81,146.88 × 33,658.56
  4. Step 4: Simplify right side
    58,800.96x = 2,731,287,129.29
  5. Step 5: Solve for x
    x = 2,731,287,129.29/58,800.96
  6. Step 6: Final answer
    x = 46,449.70

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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.