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Finding the Fourth Proportional to 64,270.60, 96,365.40 and 26,856.70

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Solution

The fourth proportional to 64,270.60, 96,365.40 and 26,856.70 is: 40,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.60 : 96,365.40 = 26,856.70 : x
  2. Step 2: Convert to fraction form
    64,270.60/96,365.40 = 26,856.70/x
  3. Step 3: Cross multiply
    64,270.60x = 96,365.40 × 26,856.70
  4. Step 4: Simplify right side
    64,270.60x = 2,588,056,638.18
  5. Step 5: Solve for x
    x = 2,588,056,638.18/64,270.60
  6. Step 6: Final answer
    x = 40,268.13

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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.