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Finding the Fourth Proportional to 64,246.56, 96,328.74 and 30,900.22

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Solution

The fourth proportional to 64,246.56, 96,328.74 and 30,900.22 is: 46,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,246.56 : 96,328.74 = 30,900.22 : x
  2. Step 2: Convert to fraction form
    64,246.56/96,328.74 = 30,900.22/x
  3. Step 3: Cross multiply
    64,246.56x = 96,328.74 × 30,900.22
  4. Step 4: Simplify right side
    64,246.56x = 2,976,579,258.32
  5. Step 5: Solve for x
    x = 2,976,579,258.32/64,246.56
  6. Step 6: Final answer
    x = 46,330.56

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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.