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Finding the Fourth Proportional to 58,281.98, 80,421.57 and 32,787.49

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Solution

The fourth proportional to 58,281.98, 80,421.57 and 32,787.49 is: 45,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.98 : 80,421.57 = 32,787.49 : x
  2. Step 2: Convert to fraction form
    58,281.98/80,421.57 = 32,787.49/x
  3. Step 3: Cross multiply
    58,281.98x = 80,421.57 × 32,787.49
  4. Step 4: Simplify right side
    58,281.98x = 2,636,821,422.16
  5. Step 5: Solve for x
    x = 2,636,821,422.16/58,281.98
  6. Step 6: Final answer
    x = 45,242.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.