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Finding the Fourth Proportional to 68,394.40, 102,602.94 and 24,009.64

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Solution

The fourth proportional to 68,394.40, 102,602.94 and 24,009.64 is: 36,018.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.40 : 102,602.94 = 24,009.64 : x
  2. Step 2: Convert to fraction form
    68,394.40/102,602.94 = 24,009.64/x
  3. Step 3: Cross multiply
    68,394.40x = 102,602.94 × 24,009.64
  4. Step 4: Simplify right side
    68,394.40x = 2,463,459,652.34
  5. Step 5: Solve for x
    x = 2,463,459,652.34/68,394.40
  6. Step 6: Final answer
    x = 36,018.44

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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.