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Finding the Fourth Proportional to 64,941.60, 97,358.40 and 27,530.40

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Solution

The fourth proportional to 64,941.60, 97,358.40 and 27,530.40 is: 41,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,941.60 : 97,358.40 = 27,530.40 : x
  2. Step 2: Convert to fraction form
    64,941.60/97,358.40 = 27,530.40/x
  3. Step 3: Cross multiply
    64,941.60x = 97,358.40 × 27,530.40
  4. Step 4: Simplify right side
    64,941.60x = 2,680,315,695.36
  5. Step 5: Solve for x
    x = 2,680,315,695.36/64,941.60
  6. Step 6: Final answer
    x = 41,272.71

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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.