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Finding the Fourth Proportional to 64,730.64, 97,133.72 and 27,288.44

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Solution

The fourth proportional to 64,730.64, 97,133.72 and 27,288.44 is: 40,948.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,730.64 : 97,133.72 = 27,288.44 : x
  2. Step 2: Convert to fraction form
    64,730.64/97,133.72 = 27,288.44/x
  3. Step 3: Cross multiply
    64,730.64x = 97,133.72 × 27,288.44
  4. Step 4: Simplify right side
    64,730.64x = 2,650,627,690.20
  5. Step 5: Solve for x
    x = 2,650,627,690.20/64,730.64
  6. Step 6: Final answer
    x = 40,948.58

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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.