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Finding the Fourth Proportional to 14,262.60, 21,398.97 and 6,364.40

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Solution

The fourth proportional to 14,262.60, 21,398.97 and 6,364.40 is: 9,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,262.60 : 21,398.97 = 6,364.40 : x
  2. Step 2: Convert to fraction form
    14,262.60/21,398.97 = 6,364.40/x
  3. Step 3: Cross multiply
    14,262.60x = 21,398.97 × 6,364.40
  4. Step 4: Simplify right side
    14,262.60x = 136,191,467.84
  5. Step 5: Solve for x
    x = 136,191,467.84/14,262.60
  6. Step 6: Final answer
    x = 9,548.85

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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.