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Finding the Fourth Proportional to 14,865.42, 22,301.85 and 10,491.42

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Solution

The fourth proportional to 14,865.42, 22,301.85 and 10,491.42 is: 15,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.42 : 22,301.85 = 10,491.42 : x
  2. Step 2: Convert to fraction form
    14,865.42/22,301.85 = 10,491.42/x
  3. Step 3: Cross multiply
    14,865.42x = 22,301.85 × 10,491.42
  4. Step 4: Simplify right side
    14,865.42x = 233,978,075.13
  5. Step 5: Solve for x
    x = 233,978,075.13/14,865.42
  6. Step 6: Final answer
    x = 15,739.76

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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.