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Finding the Fourth Proportional to 64,941.66, 89,557.38 and 39,452.22

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Solution

The fourth proportional to 64,941.66, 89,557.38 and 39,452.22 is: 54,406.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,941.66 : 89,557.38 = 39,452.22 : x
  2. Step 2: Convert to fraction form
    64,941.66/89,557.38 = 39,452.22/x
  3. Step 3: Cross multiply
    64,941.66x = 89,557.38 × 39,452.22
  4. Step 4: Simplify right side
    64,941.66x = 3,533,237,458.38
  5. Step 5: Solve for x
    x = 3,533,237,458.38/64,941.66
  6. Step 6: Final answer
    x = 54,406.33

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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.