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Finding the Fourth Proportional to 64,603.40, 96,840.30 and 29,568.20

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Solution

The fourth proportional to 64,603.40, 96,840.30 and 29,568.20 is: 44,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,603.40 : 96,840.30 = 29,568.20 : x
  2. Step 2: Convert to fraction form
    64,603.40/96,840.30 = 29,568.20/x
  3. Step 3: Cross multiply
    64,603.40x = 96,840.30 × 29,568.20
  4. Step 4: Simplify right side
    64,603.40x = 2,863,393,358.46
  5. Step 5: Solve for x
    x = 2,863,393,358.46/64,603.40
  6. Step 6: Final answer
    x = 44,322.64

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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.