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Finding the Fourth Proportional to 58,559.96, 80,813.39 and 31,703.04

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Solution

The fourth proportional to 58,559.96, 80,813.39 and 31,703.04 is: 43,750.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,559.96 : 80,813.39 = 31,703.04 : x
  2. Step 2: Convert to fraction form
    58,559.96/80,813.39 = 31,703.04/x
  3. Step 3: Cross multiply
    58,559.96x = 80,813.39 × 31,703.04
  4. Step 4: Simplify right side
    58,559.96x = 2,562,029,977.19
  5. Step 5: Solve for x
    x = 2,562,029,977.19/58,559.96
  6. Step 6: Final answer
    x = 43,750.55

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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.