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Finding the Fourth Proportional to 69,846.72, 96,421.44 and 44,710.80

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Solution

The fourth proportional to 69,846.72, 96,421.44 and 44,710.80 is: 61,722.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,846.72 : 96,421.44 = 44,710.80 : x
  2. Step 2: Convert to fraction form
    69,846.72/96,421.44 = 44,710.80/x
  3. Step 3: Cross multiply
    69,846.72x = 96,421.44 × 44,710.80
  4. Step 4: Simplify right side
    69,846.72x = 4,311,079,719.55
  5. Step 5: Solve for x
    x = 4,311,079,719.55/69,846.72
  6. Step 6: Final answer
    x = 61,722.01

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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.