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Finding the Fourth Proportional to 14,952.90, 20,632.59 and 8,664.06

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Solution

The fourth proportional to 14,952.90, 20,632.59 and 8,664.06 is: 11,955.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.90 : 20,632.59 = 8,664.06 : x
  2. Step 2: Convert to fraction form
    14,952.90/20,632.59 = 8,664.06/x
  3. Step 3: Cross multiply
    14,952.90x = 20,632.59 × 8,664.06
  4. Step 4: Simplify right side
    14,952.90x = 178,761,997.72
  5. Step 5: Solve for x
    x = 178,761,997.72/14,952.90
  6. Step 6: Final answer
    x = 11,955.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.