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Finding the Fourth Proportional to 58,245.01, 87,345.96 and 20,795.02

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Solution

The fourth proportional to 58,245.01, 87,345.96 and 20,795.02 is: 31,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,245.01 : 87,345.96 = 20,795.02 : x
  2. Step 2: Convert to fraction form
    58,245.01/87,345.96 = 20,795.02/x
  3. Step 3: Cross multiply
    58,245.01x = 87,345.96 × 20,795.02
  4. Step 4: Simplify right side
    58,245.01x = 1,816,360,985.12
  5. Step 5: Solve for x
    x = 1,816,360,985.12/58,245.01
  6. Step 6: Final answer
    x = 31,184.83

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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.