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Finding the Fourth Proportional to 14,215.98, 21,322.98 and 5,892.87

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Solution

The fourth proportional to 14,215.98, 21,322.98 and 5,892.87 is: 8,838.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,215.98 : 21,322.98 = 5,892.87 : x
  2. Step 2: Convert to fraction form
    14,215.98/21,322.98 = 5,892.87/x
  3. Step 3: Cross multiply
    14,215.98x = 21,322.98 × 5,892.87
  4. Step 4: Simplify right side
    14,215.98x = 125,653,549.15
  5. Step 5: Solve for x
    x = 125,653,549.15/14,215.98
  6. Step 6: Final answer
    x = 8,838.89

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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.