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Finding the Fourth Proportional to 14,415.52, 21,606 and 6,622.24

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Solution

The fourth proportional to 14,415.52, 21,606 and 6,622.24 is: 9,925.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.52 : 21,606 = 6,622.24 : x
  2. Step 2: Convert to fraction form
    14,415.52/21,606 = 6,622.24/x
  3. Step 3: Cross multiply
    14,415.52x = 21,606 × 6,622.24
  4. Step 4: Simplify right side
    14,415.52x = 143,080,117.44
  5. Step 5: Solve for x
    x = 143,080,117.44/14,415.52
  6. Step 6: Final answer
    x = 9,925.42

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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.