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Finding the Fourth Proportional to 43,507.52, 65,250.58 and 13,919.23

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Solution

The fourth proportional to 43,507.52, 65,250.58 and 13,919.23 is: 20,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507.52 : 65,250.58 = 13,919.23 : x
  2. Step 2: Convert to fraction form
    43,507.52/65,250.58 = 13,919.23/x
  3. Step 3: Cross multiply
    43,507.52x = 65,250.58 × 13,919.23
  4. Step 4: Simplify right side
    43,507.52x = 908,237,830.65
  5. Step 5: Solve for x
    x = 908,237,830.65/43,507.52
  6. Step 6: Final answer
    x = 20,875.42

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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.