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Finding the Fourth Proportional to 58,647.58, 81,000.92 and 38,593.98

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Solution

The fourth proportional to 58,647.58, 81,000.92 and 38,593.98 is: 53,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,647.58 : 81,000.92 = 38,593.98 : x
  2. Step 2: Convert to fraction form
    58,647.58/81,000.92 = 38,593.98/x
  3. Step 3: Cross multiply
    58,647.58x = 81,000.92 × 38,593.98
  4. Step 4: Simplify right side
    58,647.58x = 3,126,147,992.48
  5. Step 5: Solve for x
    x = 3,126,147,992.48/58,647.58
  6. Step 6: Final answer
    x = 53,303.96

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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.