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Finding the Fourth Proportional to 65,001.60, 89,697.60 and 36,705.60

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Solution

The fourth proportional to 65,001.60, 89,697.60 and 36,705.60 is: 50,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,001.60 : 89,697.60 = 36,705.60 : x
  2. Step 2: Convert to fraction form
    65,001.60/89,697.60 = 36,705.60/x
  3. Step 3: Cross multiply
    65,001.60x = 89,697.60 × 36,705.60
  4. Step 4: Simplify right side
    65,001.60x = 3,292,404,226.56
  5. Step 5: Solve for x
    x = 3,292,404,226.56/65,001.60
  6. Step 6: Final answer
    x = 50,651.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.