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Finding the Fourth Proportional to 14,551.57, 21,827.90 and 4,690.99

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Solution

The fourth proportional to 14,551.57, 21,827.90 and 4,690.99 is: 7,036.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,551.57 : 21,827.90 = 4,690.99 : x
  2. Step 2: Convert to fraction form
    14,551.57/21,827.90 = 4,690.99/x
  3. Step 3: Cross multiply
    14,551.57x = 21,827.90 × 4,690.99
  4. Step 4: Simplify right side
    14,551.57x = 102,394,460.62
  5. Step 5: Solve for x
    x = 102,394,460.62/14,551.57
  6. Step 6: Final answer
    x = 7,036.66

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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.