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Finding the Fourth Proportional to 64,444.56, 96,675.84 and 20,074.56

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Solution

The fourth proportional to 64,444.56, 96,675.84 and 20,074.56 is: 30,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,444.56 : 96,675.84 = 20,074.56 : x
  2. Step 2: Convert to fraction form
    64,444.56/96,675.84 = 20,074.56/x
  3. Step 3: Cross multiply
    64,444.56x = 96,675.84 × 20,074.56
  4. Step 4: Simplify right side
    64,444.56x = 1,940,724,950.63
  5. Step 5: Solve for x
    x = 1,940,724,950.63/64,444.56
  6. Step 6: Final answer
    x = 30,114.64

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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.