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Finding the Fourth Proportional to 64,856.04, 97,251.26 and 19,863.98

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Solution

The fourth proportional to 64,856.04, 97,251.26 and 19,863.98 is: 29,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,856.04 : 97,251.26 = 19,863.98 : x
  2. Step 2: Convert to fraction form
    64,856.04/97,251.26 = 19,863.98/x
  3. Step 3: Cross multiply
    64,856.04x = 97,251.26 × 19,863.98
  4. Step 4: Simplify right side
    64,856.04x = 1,931,797,083.61
  5. Step 5: Solve for x
    x = 1,931,797,083.61/64,856.04
  6. Step 6: Final answer
    x = 29,785.92

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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.