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Finding the Fourth Proportional to 64,930.40, 97,322.70 and 27,484.10

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Solution

The fourth proportional to 64,930.40, 97,322.70 and 27,484.10 is: 41,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,930.40 : 97,322.70 = 27,484.10 : x
  2. Step 2: Convert to fraction form
    64,930.40/97,322.70 = 27,484.10/x
  3. Step 3: Cross multiply
    64,930.40x = 97,322.70 × 27,484.10
  4. Step 4: Simplify right side
    64,930.40x = 2,674,826,819.07
  5. Step 5: Solve for x
    x = 2,674,826,819.07/64,930.40
  6. Step 6: Final answer
    x = 41,195.29

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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.