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Finding the Fourth Proportional to 58,909.75, 81,294.82 and 35,035.90

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Solution

The fourth proportional to 58,909.75, 81,294.82 and 35,035.90 is: 48,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,909.75 : 81,294.82 = 35,035.90 : x
  2. Step 2: Convert to fraction form
    58,909.75/81,294.82 = 35,035.90/x
  3. Step 3: Cross multiply
    58,909.75x = 81,294.82 × 35,035.90
  4. Step 4: Simplify right side
    58,909.75x = 2,848,237,184.04
  5. Step 5: Solve for x
    x = 2,848,237,184.04/58,909.75
  6. Step 6: Final answer
    x = 48,349.16

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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.