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Finding the Fourth Proportional to 43,507.24, 65,289.98 and 15,805.24

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Solution

The fourth proportional to 43,507.24, 65,289.98 and 15,805.24 is: 23,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507.24 : 65,289.98 = 15,805.24 : x
  2. Step 2: Convert to fraction form
    43,507.24/65,289.98 = 15,805.24/x
  3. Step 3: Cross multiply
    43,507.24x = 65,289.98 × 15,805.24
  4. Step 4: Simplify right side
    43,507.24x = 1,031,923,803.50
  5. Step 5: Solve for x
    x = 1,031,923,803.50/43,507.24
  6. Step 6: Final answer
    x = 23,718.44

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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.