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Finding the Fourth Proportional to 67,607.70, 101,428.16 and 23,235.09

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Solution

The fourth proportional to 67,607.70, 101,428.16 and 23,235.09 is: 34,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,607.70 : 101,428.16 = 23,235.09 : x
  2. Step 2: Convert to fraction form
    67,607.70/101,428.16 = 23,235.09/x
  3. Step 3: Cross multiply
    67,607.70x = 101,428.16 × 23,235.09
  4. Step 4: Simplify right side
    67,607.70x = 2,356,692,309.96
  5. Step 5: Solve for x
    x = 2,356,692,309.96/67,607.70
  6. Step 6: Final answer
    x = 34,858.34

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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.