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Finding the Fourth Proportional to 14,361.77, 21,542.72 and 4,366.64

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Solution

The fourth proportional to 14,361.77, 21,542.72 and 4,366.64 is: 6,549.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,361.77 : 21,542.72 = 4,366.64 : x
  2. Step 2: Convert to fraction form
    14,361.77/21,542.72 = 4,366.64/x
  3. Step 3: Cross multiply
    14,361.77x = 21,542.72 × 4,366.64
  4. Step 4: Simplify right side
    14,361.77x = 94,069,334.88
  5. Step 5: Solve for x
    x = 94,069,334.88/14,361.77
  6. Step 6: Final answer
    x = 6,549.98

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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.