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Finding the Fourth Proportional to 14,415.57, 21,624.57 and 4,554.63

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Solution

The fourth proportional to 14,415.57, 21,624.57 and 4,554.63 is: 6,832.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,415.57 : 21,624.57 = 4,554.63 : x
  2. Step 2: Convert to fraction form
    14,415.57/21,624.57 = 4,554.63/x
  3. Step 3: Cross multiply
    14,415.57x = 21,624.57 × 4,554.63
  4. Step 4: Simplify right side
    14,415.57x = 98,491,915.26
  5. Step 5: Solve for x
    x = 98,491,915.26/14,415.57
  6. Step 6: Final answer
    x = 6,832.33

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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.