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Finding the Fourth Proportional to 32,518.99, 48,778.52 and 9,145.44

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Solution

The fourth proportional to 32,518.99, 48,778.52 and 9,145.44 is: 13,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,518.99 : 48,778.52 = 9,145.44 : x
  2. Step 2: Convert to fraction form
    32,518.99/48,778.52 = 9,145.44/x
  3. Step 3: Cross multiply
    32,518.99x = 48,778.52 × 9,145.44
  4. Step 4: Simplify right side
    32,518.99x = 446,101,027.95
  5. Step 5: Solve for x
    x = 446,101,027.95/32,518.99
  6. Step 6: Final answer
    x = 13,718.17

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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.