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Finding the Fourth Proportional to 64,883.60, 97,271.40 and 27,472.40

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Solution

The fourth proportional to 64,883.60, 97,271.40 and 27,472.40 is: 41,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,883.60 : 97,271.40 = 27,472.40 : x
  2. Step 2: Convert to fraction form
    64,883.60/97,271.40 = 27,472.40/x
  3. Step 3: Cross multiply
    64,883.60x = 97,271.40 × 27,472.40
  4. Step 4: Simplify right side
    64,883.60x = 2,672,278,809.36
  5. Step 5: Solve for x
    x = 2,672,278,809.36/64,883.60
  6. Step 6: Final answer
    x = 41,185.74

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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.