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Finding the Fourth Proportional to 58,762.62, 81,092.99 and 31,905.35

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Solution

The fourth proportional to 58,762.62, 81,092.99 and 31,905.35 is: 44,029.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,762.62 : 81,092.99 = 31,905.35 : x
  2. Step 2: Convert to fraction form
    58,762.62/81,092.99 = 31,905.35/x
  3. Step 3: Cross multiply
    58,762.62x = 81,092.99 × 31,905.35
  4. Step 4: Simplify right side
    58,762.62x = 2,587,300,228.50
  5. Step 5: Solve for x
    x = 2,587,300,228.50/58,762.62
  6. Step 6: Final answer
    x = 44,029.69

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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.