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Finding the Fourth Proportional to 66,433.91, 92,313.54 and 65,595.56

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Solution

The fourth proportional to 66,433.91, 92,313.54 and 65,595.56 is: 91,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.91 : 92,313.54 = 65,595.56 : x
  2. Step 2: Convert to fraction form
    66,433.91/92,313.54 = 65,595.56/x
  3. Step 3: Cross multiply
    66,433.91x = 92,313.54 × 65,595.56
  4. Step 4: Simplify right side
    66,433.91x = 6,055,357,890.31
  5. Step 5: Solve for x
    x = 6,055,357,890.31/66,433.91
  6. Step 6: Final answer
    x = 91,148.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.