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Finding the Fourth Proportional to 14,615.69, 21,913.71 and 7,504.23

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Solution

The fourth proportional to 14,615.69, 21,913.71 and 7,504.23 is: 11,251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.69 : 21,913.71 = 7,504.23 : x
  2. Step 2: Convert to fraction form
    14,615.69/21,913.71 = 7,504.23/x
  3. Step 3: Cross multiply
    14,615.69x = 21,913.71 × 7,504.23
  4. Step 4: Simplify right side
    14,615.69x = 164,445,616.24
  5. Step 5: Solve for x
    x = 164,445,616.24/14,615.69
  6. Step 6: Final answer
    x = 11,251.31

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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.