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Finding the Fourth Proportional to 66,232.54, 91,400.49 and 37,557.64

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Solution

The fourth proportional to 66,232.54, 91,400.49 and 37,557.64 is: 51,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,232.54 : 91,400.49 = 37,557.64 : x
  2. Step 2: Convert to fraction form
    66,232.54/91,400.49 = 37,557.64/x
  3. Step 3: Cross multiply
    66,232.54x = 91,400.49 × 37,557.64
  4. Step 4: Simplify right side
    66,232.54x = 3,432,786,699.24
  5. Step 5: Solve for x
    x = 3,432,786,699.24/66,232.54
  6. Step 6: Final answer
    x = 51,829.31

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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.