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Finding the Fourth Proportional to 14,012.72, 21,019.02 and 4,653.44

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Solution

The fourth proportional to 14,012.72, 21,019.02 and 4,653.44 is: 6,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.72 : 21,019.02 = 4,653.44 : x
  2. Step 2: Convert to fraction form
    14,012.72/21,019.02 = 4,653.44/x
  3. Step 3: Cross multiply
    14,012.72x = 21,019.02 × 4,653.44
  4. Step 4: Simplify right side
    14,012.72x = 97,810,643.33
  5. Step 5: Solve for x
    x = 97,810,643.33/14,012.72
  6. Step 6: Final answer
    x = 6,980.14

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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.