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Finding the Fourth Proportional to 14,392, 21,587.01 and 8,846.20

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Solution

The fourth proportional to 14,392, 21,587.01 and 8,846.20 is: 13,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392 : 21,587.01 = 8,846.20 : x
  2. Step 2: Convert to fraction form
    14,392/21,587.01 = 8,846.20/x
  3. Step 3: Cross multiply
    14,392x = 21,587.01 × 8,846.20
  4. Step 4: Simplify right side
    14,392x = 190,963,007.86
  5. Step 5: Solve for x
    x = 190,963,007.86/14,392
  6. Step 6: Final answer
    x = 13,268.69

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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.