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Finding the Fourth Proportional to 14,590.88, 21,886.40 and 4,202.88

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Solution

The fourth proportional to 14,590.88, 21,886.40 and 4,202.88 is: 6,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.88 : 21,886.40 = 4,202.88 : x
  2. Step 2: Convert to fraction form
    14,590.88/21,886.40 = 4,202.88/x
  3. Step 3: Cross multiply
    14,590.88x = 21,886.40 × 4,202.88
  4. Step 4: Simplify right side
    14,590.88x = 91,985,912.83
  5. Step 5: Solve for x
    x = 91,985,912.83/14,590.88
  6. Step 6: Final answer
    x = 6,304.34

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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.