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Finding the Fourth Proportional to 30,683.94, 45,992.76 and 14,855.53

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Solution

The fourth proportional to 30,683.94, 45,992.76 and 14,855.53 is: 22,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.94 : 45,992.76 = 14,855.53 : x
  2. Step 2: Convert to fraction form
    30,683.94/45,992.76 = 14,855.53/x
  3. Step 3: Cross multiply
    30,683.94x = 45,992.76 × 14,855.53
  4. Step 4: Simplify right side
    30,683.94x = 683,246,825.96
  5. Step 5: Solve for x
    x = 683,246,825.96/30,683.94
  6. Step 6: Final answer
    x = 22,267.25

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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.