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Finding the Fourth Proportional to 32,491.53, 48,745.80 and 11,430.72

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Solution

The fourth proportional to 32,491.53, 48,745.80 and 11,430.72 is: 17,149.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,491.53 : 48,745.80 = 11,430.72 : x
  2. Step 2: Convert to fraction form
    32,491.53/48,745.80 = 11,430.72/x
  3. Step 3: Cross multiply
    32,491.53x = 48,745.80 × 11,430.72
  4. Step 4: Simplify right side
    32,491.53x = 557,199,590.98
  5. Step 5: Solve for x
    x = 557,199,590.98/32,491.53
  6. Step 6: Final answer
    x = 17,149.07

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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.