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Finding the Fourth Proportional to 64,784.88, 97,177.44 and 18,037.76

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Solution

The fourth proportional to 64,784.88, 97,177.44 and 18,037.76 is: 27,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,784.88 : 97,177.44 = 18,037.76 : x
  2. Step 2: Convert to fraction form
    64,784.88/97,177.44 = 18,037.76/x
  3. Step 3: Cross multiply
    64,784.88x = 97,177.44 × 18,037.76
  4. Step 4: Simplify right side
    64,784.88x = 1,752,863,340.13
  5. Step 5: Solve for x
    x = 1,752,863,340.13/64,784.88
  6. Step 6: Final answer
    x = 27,056.67

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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.