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Finding the Fourth Proportional to 65,024.40, 89,739.12 and 36,735.12

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Solution

The fourth proportional to 65,024.40, 89,739.12 and 36,735.12 is: 50,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,024.40 : 89,739.12 = 36,735.12 : x
  2. Step 2: Convert to fraction form
    65,024.40/89,739.12 = 36,735.12/x
  3. Step 3: Cross multiply
    65,024.40x = 89,739.12 × 36,735.12
  4. Step 4: Simplify right side
    65,024.40x = 3,296,577,341.89
  5. Step 5: Solve for x
    x = 3,296,577,341.89/65,024.40
  6. Step 6: Final answer
    x = 50,697.54

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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.