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Finding the Fourth Proportional to 34,399.37, 51,599.12 and 9,439.76

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Solution

The fourth proportional to 34,399.37, 51,599.12 and 9,439.76 is: 14,159.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,399.37 : 51,599.12 = 9,439.76 : x
  2. Step 2: Convert to fraction form
    34,399.37/51,599.12 = 9,439.76/x
  3. Step 3: Cross multiply
    34,399.37x = 51,599.12 × 9,439.76
  4. Step 4: Simplify right side
    34,399.37x = 487,083,390.81
  5. Step 5: Solve for x
    x = 487,083,390.81/34,399.37
  6. Step 6: Final answer
    x = 14,159.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.