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Finding the Fourth Proportional to 43,328.89, 64,993.32 and 15,626.89

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Solution

The fourth proportional to 43,328.89, 64,993.32 and 15,626.89 is: 23,440.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.89 : 64,993.32 = 15,626.89 : x
  2. Step 2: Convert to fraction form
    43,328.89/64,993.32 = 15,626.89/x
  3. Step 3: Cross multiply
    43,328.89x = 64,993.32 × 15,626.89
  4. Step 4: Simplify right side
    43,328.89x = 1,015,643,462.37
  5. Step 5: Solve for x
    x = 1,015,643,462.37/43,328.89
  6. Step 6: Final answer
    x = 23,440.33

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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.