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Finding the Fourth Proportional to 45,705.72, 68,503.86 and 23,529.72

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Solution

The fourth proportional to 45,705.72, 68,503.86 and 23,529.72 is: 35,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.72 : 68,503.86 = 23,529.72 : x
  2. Step 2: Convert to fraction form
    45,705.72/68,503.86 = 23,529.72/x
  3. Step 3: Cross multiply
    45,705.72x = 68,503.86 × 23,529.72
  4. Step 4: Simplify right side
    45,705.72x = 1,611,876,644.72
  5. Step 5: Solve for x
    x = 1,611,876,644.72/45,705.72
  6. Step 6: Final answer
    x = 35,266.41

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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.