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Finding the Fourth Proportional to 14,366.56, 21,549.90 and 3,977.56

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Solution

The fourth proportional to 14,366.56, 21,549.90 and 3,977.56 is: 5,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,366.56 : 21,549.90 = 3,977.56 : x
  2. Step 2: Convert to fraction form
    14,366.56/21,549.90 = 3,977.56/x
  3. Step 3: Cross multiply
    14,366.56x = 21,549.90 × 3,977.56
  4. Step 4: Simplify right side
    14,366.56x = 85,716,020.24
  5. Step 5: Solve for x
    x = 85,716,020.24/14,366.56
  6. Step 6: Final answer
    x = 5,966.36

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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.