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Finding the Fourth Proportional to 64,245.91, 88,653.12 and 37,391.98

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Solution

The fourth proportional to 64,245.91, 88,653.12 and 37,391.98 is: 51,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,245.91 : 88,653.12 = 37,391.98 : x
  2. Step 2: Convert to fraction form
    64,245.91/88,653.12 = 37,391.98/x
  3. Step 3: Cross multiply
    64,245.91x = 88,653.12 × 37,391.98
  4. Step 4: Simplify right side
    64,245.91x = 3,314,915,689.98
  5. Step 5: Solve for x
    x = 3,314,915,689.98/64,245.91
  6. Step 6: Final answer
    x = 51,597.30

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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.