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Finding the Fourth Proportional to 30,343.99, 45,506.14 and 11,623.03

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Solution

The fourth proportional to 30,343.99, 45,506.14 and 11,623.03 is: 17,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343.99 : 45,506.14 = 11,623.03 : x
  2. Step 2: Convert to fraction form
    30,343.99/45,506.14 = 11,623.03/x
  3. Step 3: Cross multiply
    30,343.99x = 45,506.14 × 11,623.03
  4. Step 4: Simplify right side
    30,343.99x = 528,919,230.40
  5. Step 5: Solve for x
    x = 528,919,230.40/30,343.99
  6. Step 6: Final answer
    x = 17,430.77

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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.