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Finding the Fourth Proportional to 58,785.98, 81,129.66 and 33,296.81

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Solution

The fourth proportional to 58,785.98, 81,129.66 and 33,296.81 is: 45,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,785.98 : 81,129.66 = 33,296.81 : x
  2. Step 2: Convert to fraction form
    58,785.98/81,129.66 = 33,296.81/x
  3. Step 3: Cross multiply
    58,785.98x = 81,129.66 × 33,296.81
  4. Step 4: Simplify right side
    58,785.98x = 2,701,358,874.38
  5. Step 5: Solve for x
    x = 2,701,358,874.38/58,785.98
  6. Step 6: Final answer
    x = 45,952.43

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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.