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Finding the Fourth Proportional to 58,348.65, 80,530.98 and 33,815.81

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Solution

The fourth proportional to 58,348.65, 80,530.98 and 33,815.81 is: 46,671.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,348.65 : 80,530.98 = 33,815.81 : x
  2. Step 2: Convert to fraction form
    58,348.65/80,530.98 = 33,815.81/x
  3. Step 3: Cross multiply
    58,348.65x = 80,530.98 × 33,815.81
  4. Step 4: Simplify right side
    58,348.65x = 2,723,220,393.31
  5. Step 5: Solve for x
    x = 2,723,220,393.31/58,348.65
  6. Step 6: Final answer
    x = 46,671.52

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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.