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Finding the Fourth Proportional to 64,734.60, 97,101.90 and 43,998.60

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Solution

The fourth proportional to 64,734.60, 97,101.90 and 43,998.60 is: 65,997.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,734.60 : 97,101.90 = 43,998.60 : x
  2. Step 2: Convert to fraction form
    64,734.60/97,101.90 = 43,998.60/x
  3. Step 3: Cross multiply
    64,734.60x = 97,101.90 × 43,998.60
  4. Step 4: Simplify right side
    64,734.60x = 4,272,347,657.34
  5. Step 5: Solve for x
    x = 4,272,347,657.34/64,734.60
  6. Step 6: Final answer
    x = 65,997.90

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1.5x scale

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.