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Finding the Fourth Proportional to 64,924.32, 97,347.60 and 27,478.56

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Solution

The fourth proportional to 64,924.32, 97,347.60 and 27,478.56 is: 41,201.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,924.32 : 97,347.60 = 27,478.56 : x
  2. Step 2: Convert to fraction form
    64,924.32/97,347.60 = 27,478.56/x
  3. Step 3: Cross multiply
    64,924.32x = 97,347.60 × 27,478.56
  4. Step 4: Simplify right side
    64,924.32x = 2,674,971,867.46
  5. Step 5: Solve for x
    x = 2,674,971,867.46/64,924.32
  6. Step 6: Final answer
    x = 41,201.38

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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.