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Finding the Fourth Proportional to 14,952.72, 20,629.80 and 9,651.06

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Solution

The fourth proportional to 14,952.72, 20,629.80 and 9,651.06 is: 13,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,952.72 : 20,629.80 = 9,651.06 : x
  2. Step 2: Convert to fraction form
    14,952.72/20,629.80 = 9,651.06/x
  3. Step 3: Cross multiply
    14,952.72x = 20,629.80 × 9,651.06
  4. Step 4: Simplify right side
    14,952.72x = 199,099,437.59
  5. Step 5: Solve for x
    x = 199,099,437.59/14,952.72
  6. Step 6: Final answer
    x = 13,315.27

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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.