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Finding the Fourth Proportional to 14,247.70, 21,374.06 and 4,888.71

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Solution

The fourth proportional to 14,247.70, 21,374.06 and 4,888.71 is: 7,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.70 : 21,374.06 = 4,888.71 : x
  2. Step 2: Convert to fraction form
    14,247.70/21,374.06 = 4,888.71/x
  3. Step 3: Cross multiply
    14,247.70x = 21,374.06 × 4,888.71
  4. Step 4: Simplify right side
    14,247.70x = 104,491,556.42
  5. Step 5: Solve for x
    x = 104,491,556.42/14,247.70
  6. Step 6: Final answer
    x = 7,333.93

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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.