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Finding the Fourth Proportional to 14,462.46, 21,693.69 and 5,228.46

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Solution

The fourth proportional to 14,462.46, 21,693.69 and 5,228.46 is: 7,842.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,462.46 : 21,693.69 = 5,228.46 : x
  2. Step 2: Convert to fraction form
    14,462.46/21,693.69 = 5,228.46/x
  3. Step 3: Cross multiply
    14,462.46x = 21,693.69 × 5,228.46
  4. Step 4: Simplify right side
    14,462.46x = 113,424,590.42
  5. Step 5: Solve for x
    x = 113,424,590.42/14,462.46
  6. Step 6: Final answer
    x = 7,842.69

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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.