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Finding the Fourth Proportional to 58,628.81, 87,870.97 and 33,349.52

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Solution

The fourth proportional to 58,628.81, 87,870.97 and 33,349.52 is: 49,983.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,628.81 : 87,870.97 = 33,349.52 : x
  2. Step 2: Convert to fraction form
    58,628.81/87,870.97 = 33,349.52/x
  3. Step 3: Cross multiply
    58,628.81x = 87,870.97 × 33,349.52
  4. Step 4: Simplify right side
    58,628.81x = 2,930,454,671.43
  5. Step 5: Solve for x
    x = 2,930,454,671.43/58,628.81
  6. Step 6: Final answer
    x = 49,983.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.