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Finding the Fourth Proportional to 10,450.36, 14,421.36 and 5,734.64

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Solution

The fourth proportional to 10,450.36, 14,421.36 and 5,734.64 is: 7,913.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,450.36 : 14,421.36 = 5,734.64 : x
  2. Step 2: Convert to fraction form
    10,450.36/14,421.36 = 5,734.64/x
  3. Step 3: Cross multiply
    10,450.36x = 14,421.36 × 5,734.64
  4. Step 4: Simplify right side
    10,450.36x = 82,701,307.91
  5. Step 5: Solve for x
    x = 82,701,307.91/10,450.36
  6. Step 6: Final answer
    x = 7,913.73

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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.