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Finding the Fourth Proportional to 45,656.21, 68,484.31 and 29,960.53

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Solution

The fourth proportional to 45,656.21, 68,484.31 and 29,960.53 is: 44,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,656.21 : 68,484.31 = 29,960.53 : x
  2. Step 2: Convert to fraction form
    45,656.21/68,484.31 = 29,960.53/x
  3. Step 3: Cross multiply
    45,656.21x = 68,484.31 × 29,960.53
  4. Step 4: Simplify right side
    45,656.21x = 2,051,826,447.66
  5. Step 5: Solve for x
    x = 2,051,826,447.66/45,656.21
  6. Step 6: Final answer
    x = 44,940.80

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Double scale
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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.