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Finding the Fourth Proportional to 55,316.66, 76,317.31 and 32,644.31

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Solution

The fourth proportional to 55,316.66, 76,317.31 and 32,644.31 is: 45,037.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,316.66 : 76,317.31 = 32,644.31 : x
  2. Step 2: Convert to fraction form
    55,316.66/76,317.31 = 32,644.31/x
  3. Step 3: Cross multiply
    55,316.66x = 76,317.31 × 32,644.31
  4. Step 4: Simplify right side
    55,316.66x = 2,491,326,035.19
  5. Step 5: Solve for x
    x = 2,491,326,035.19/55,316.66
  6. Step 6: Final answer
    x = 45,037.53

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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.