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Finding the Fourth Proportional to 64,309.64, 88,745.24 and 35,628.12

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Solution

The fourth proportional to 64,309.64, 88,745.24 and 35,628.12 is: 49,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,309.64 : 88,745.24 = 35,628.12 : x
  2. Step 2: Convert to fraction form
    64,309.64/88,745.24 = 35,628.12/x
  3. Step 3: Cross multiply
    64,309.64x = 88,745.24 × 35,628.12
  4. Step 4: Simplify right side
    64,309.64x = 3,161,826,060.15
  5. Step 5: Solve for x
    x = 3,161,826,060.15/64,309.64
  6. Step 6: Final answer
    x = 49,165.66

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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.