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Finding the Fourth Proportional to 58,560.53, 80,813.50 and 31,703.02

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Solution

The fourth proportional to 58,560.53, 80,813.50 and 31,703.02 is: 43,750.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,560.53 : 80,813.50 = 31,703.02 : x
  2. Step 2: Convert to fraction form
    58,560.53/80,813.50 = 31,703.02/x
  3. Step 3: Cross multiply
    58,560.53x = 80,813.50 × 31,703.02
  4. Step 4: Simplify right side
    58,560.53x = 2,562,031,725.48
  5. Step 5: Solve for x
    x = 2,562,031,725.48/58,560.53
  6. Step 6: Final answer
    x = 43,750.15

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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.