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Finding the Fourth Proportional to 30,317.99, 45,476.99 and 14,722.25

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Solution

The fourth proportional to 30,317.99, 45,476.99 and 14,722.25 is: 22,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,317.99 : 45,476.99 = 14,722.25 : x
  2. Step 2: Convert to fraction form
    30,317.99/45,476.99 = 14,722.25/x
  3. Step 3: Cross multiply
    30,317.99x = 45,476.99 × 14,722.25
  4. Step 4: Simplify right side
    30,317.99x = 669,523,542.42
  5. Step 5: Solve for x
    x = 669,523,542.42/30,317.99
  6. Step 6: Final answer
    x = 22,083.38

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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.