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Finding the Fourth Proportional to 68,714.50, 94,826.22 and 40,051.12

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Solution

The fourth proportional to 68,714.50, 94,826.22 and 40,051.12 is: 55,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.50 : 94,826.22 = 40,051.12 : x
  2. Step 2: Convert to fraction form
    68,714.50/94,826.22 = 40,051.12/x
  3. Step 3: Cross multiply
    68,714.50x = 94,826.22 × 40,051.12
  4. Step 4: Simplify right side
    68,714.50x = 3,797,896,316.37
  5. Step 5: Solve for x
    x = 3,797,896,316.37/68,714.50
  6. Step 6: Final answer
    x = 55,270.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.