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Finding the Fourth Proportional to 32,491.98, 48,737.72 and 13,257.65

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Solution

The fourth proportional to 32,491.98, 48,737.72 and 13,257.65 is: 19,886.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.98 : 48,737.72 = 13,257.65 : x
  2. Step 2: Convert to fraction form
    32,491.98/48,737.72 = 13,257.65/x
  3. Step 3: Cross multiply
    32,491.98x = 48,737.72 × 13,257.65
  4. Step 4: Simplify right side
    32,491.98x = 646,147,788.55
  5. Step 5: Solve for x
    x = 646,147,788.55/32,491.98
  6. Step 6: Final answer
    x = 19,886.38

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1.5x scale

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.