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Finding the Fourth Proportional to 32,379.70, 48,570.75 and 11,315.62

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Solution

The fourth proportional to 32,379.70, 48,570.75 and 11,315.62 is: 16,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.70 : 48,570.75 = 11,315.62 : x
  2. Step 2: Convert to fraction form
    32,379.70/48,570.75 = 11,315.62/x
  3. Step 3: Cross multiply
    32,379.70x = 48,570.75 × 11,315.62
  4. Step 4: Simplify right side
    32,379.70x = 549,608,150.12
  5. Step 5: Solve for x
    x = 549,608,150.12/32,379.70
  6. Step 6: Final answer
    x = 16,973.85

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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.