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Finding the Fourth Proportional to 14,463.54, 21,695.31 and 7,551.54

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Solution

The fourth proportional to 14,463.54, 21,695.31 and 7,551.54 is: 11,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.54 : 21,695.31 = 7,551.54 : x
  2. Step 2: Convert to fraction form
    14,463.54/21,695.31 = 7,551.54/x
  3. Step 3: Cross multiply
    14,463.54x = 21,695.31 × 7,551.54
  4. Step 4: Simplify right side
    14,463.54x = 163,833,001.28
  5. Step 5: Solve for x
    x = 163,833,001.28/14,463.54
  6. Step 6: Final answer
    x = 11,327.31

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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.