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Finding the Fourth Proportional to 14,164.88, 21,248.19 and 4,304.88

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Solution

The fourth proportional to 14,164.88, 21,248.19 and 4,304.88 is: 6,457.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,164.88 : 21,248.19 = 4,304.88 : x
  2. Step 2: Convert to fraction form
    14,164.88/21,248.19 = 4,304.88/x
  3. Step 3: Cross multiply
    14,164.88x = 21,248.19 × 4,304.88
  4. Step 4: Simplify right side
    14,164.88x = 91,470,908.17
  5. Step 5: Solve for x
    x = 91,470,908.17/14,164.88
  6. Step 6: Final answer
    x = 6,457.59

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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.