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Finding the Fourth Proportional to 64,189.98, 88,583.22 and 35,511.12

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Solution

The fourth proportional to 64,189.98, 88,583.22 and 35,511.12 is: 49,005.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.98 : 88,583.22 = 35,511.12 : x
  2. Step 2: Convert to fraction form
    64,189.98/88,583.22 = 35,511.12/x
  3. Step 3: Cross multiply
    64,189.98x = 88,583.22 × 35,511.12
  4. Step 4: Simplify right side
    64,189.98x = 3,145,689,355.41
  5. Step 5: Solve for x
    x = 3,145,689,355.41/64,189.98
  6. Step 6: Final answer
    x = 49,005.93

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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.