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Finding the Fourth Proportional to 58,832.85, 81,189.86 and 31,975.42

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Solution

The fourth proportional to 58,832.85, 81,189.86 and 31,975.42 is: 44,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,832.85 : 81,189.86 = 31,975.42 : x
  2. Step 2: Convert to fraction form
    58,832.85/81,189.86 = 31,975.42/x
  3. Step 3: Cross multiply
    58,832.85x = 81,189.86 × 31,975.42
  4. Step 4: Simplify right side
    58,832.85x = 2,596,079,307.41
  5. Step 5: Solve for x
    x = 2,596,079,307.41/58,832.85
  6. Step 6: Final answer
    x = 44,126.36

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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.