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Finding the Fourth Proportional to 86,653.44, 119,597.76 and 54,800.64

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Solution

The fourth proportional to 86,653.44, 119,597.76 and 54,800.64 is: 75,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,653.44 : 119,597.76 = 54,800.64 : x
  2. Step 2: Convert to fraction form
    86,653.44/119,597.76 = 54,800.64/x
  3. Step 3: Cross multiply
    86,653.44x = 119,597.76 × 54,800.64
  4. Step 4: Simplify right side
    86,653.44x = 6,554,033,790.57
  5. Step 5: Solve for x
    x = 6,554,033,790.57/86,653.44
  6. Step 6: Final answer
    x = 75,635.01

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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.