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Finding the Fourth Proportional to 64.41, 96.53 and 44.07

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Solution

The fourth proportional to 64.41, 96.53 and 44.07 is: 66.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64.41 : 96.53 = 44.07 : x
  2. Step 2: Convert to fraction form
    64.41/96.53 = 44.07/x
  3. Step 3: Cross multiply
    64.41x = 96.53 × 44.07
  4. Step 4: Simplify right side
    64.41x = 4,254.08
  5. Step 5: Solve for x
    x = 4,254.08/64.41
  6. Step 6: Final answer
    x = 66.05

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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.