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Finding the Fourth Proportional to 64,755.19, 97,141.02 and 18,008.11

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Solution

The fourth proportional to 64,755.19, 97,141.02 and 18,008.11 is: 27,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.19 : 97,141.02 = 18,008.11 : x
  2. Step 2: Convert to fraction form
    64,755.19/97,141.02 = 18,008.11/x
  3. Step 3: Cross multiply
    64,755.19x = 97,141.02 × 18,008.11
  4. Step 4: Simplify right side
    64,755.19x = 1,749,326,173.67
  5. Step 5: Solve for x
    x = 1,749,326,173.67/64,755.19
  6. Step 6: Final answer
    x = 27,014.46

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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.