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Finding the Fourth Proportional to 64,808.40, 97,212.60 and 27,341.52

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Solution

The fourth proportional to 64,808.40, 97,212.60 and 27,341.52 is: 41,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,808.40 : 97,212.60 = 27,341.52 : x
  2. Step 2: Convert to fraction form
    64,808.40/97,212.60 = 27,341.52/x
  3. Step 3: Cross multiply
    64,808.40x = 97,212.60 × 27,341.52
  4. Step 4: Simplify right side
    64,808.40x = 2,657,940,247.15
  5. Step 5: Solve for x
    x = 2,657,940,247.15/64,808.40
  6. Step 6: Final answer
    x = 41,012.28

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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.