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Finding the Fourth Proportional to 14,519.52, 21,749.04 and 10,828.08

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Solution

The fourth proportional to 14,519.52, 21,749.04 and 10,828.08 is: 16,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.52 : 21,749.04 = 10,828.08 : x
  2. Step 2: Convert to fraction form
    14,519.52/21,749.04 = 10,828.08/x
  3. Step 3: Cross multiply
    14,519.52x = 21,749.04 × 10,828.08
  4. Step 4: Simplify right side
    14,519.52x = 235,500,345.04
  5. Step 5: Solve for x
    x = 235,500,345.04/14,519.52
  6. Step 6: Final answer
    x = 16,219.57

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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.