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Finding the Fourth Proportional to 14,357.88, 21,538.08 and 4,996.44

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Solution

The fourth proportional to 14,357.88, 21,538.08 and 4,996.44 is: 7,495.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.88 : 21,538.08 = 4,996.44 : x
  2. Step 2: Convert to fraction form
    14,357.88/21,538.08 = 4,996.44/x
  3. Step 3: Cross multiply
    14,357.88x = 21,538.08 × 4,996.44
  4. Step 4: Simplify right side
    14,357.88x = 107,613,724.44
  5. Step 5: Solve for x
    x = 107,613,724.44/14,357.88
  6. Step 6: Final answer
    x = 7,495.10

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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.