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Finding the Fourth Proportional to 30,325.47, 45,457.02 and 11,601.11

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Solution

The fourth proportional to 30,325.47, 45,457.02 and 11,601.11 is: 17,389.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.47 : 45,457.02 = 11,601.11 : x
  2. Step 2: Convert to fraction form
    30,325.47/45,457.02 = 11,601.11/x
  3. Step 3: Cross multiply
    30,325.47x = 45,457.02 × 11,601.11
  4. Step 4: Simplify right side
    30,325.47x = 527,351,662.01
  5. Step 5: Solve for x
    x = 527,351,662.01/30,325.47
  6. Step 6: Final answer
    x = 17,389.73

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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.