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Finding the Fourth Proportional to 58,174.31, 87,220.77 and 29,720.08

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Solution

The fourth proportional to 58,174.31, 87,220.77 and 29,720.08 is: 44,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,174.31 : 87,220.77 = 29,720.08 : x
  2. Step 2: Convert to fraction form
    58,174.31/87,220.77 = 29,720.08/x
  3. Step 3: Cross multiply
    58,174.31x = 87,220.77 × 29,720.08
  4. Step 4: Simplify right side
    58,174.31x = 2,592,208,262.06
  5. Step 5: Solve for x
    x = 2,592,208,262.06/58,174.31
  6. Step 6: Final answer
    x = 44,559.33

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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.