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Finding the Fourth Proportional to 51,322.32, 70,769.30 and 44,549.91

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Solution

The fourth proportional to 51,322.32, 70,769.30 and 44,549.91 is: 61,430.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,322.32 : 70,769.30 = 44,549.91 : x
  2. Step 2: Convert to fraction form
    51,322.32/70,769.30 = 44,549.91/x
  3. Step 3: Cross multiply
    51,322.32x = 70,769.30 × 44,549.91
  4. Step 4: Simplify right side
    51,322.32x = 3,152,765,723.01
  5. Step 5: Solve for x
    x = 3,152,765,723.01/51,322.32
  6. Step 6: Final answer
    x = 61,430.69

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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.