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Finding the Fourth Proportional to 30,003, 41,404.14 and 17,428.56

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Solution

The fourth proportional to 30,003, 41,404.14 and 17,428.56 is: 24,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003 : 41,404.14 = 17,428.56 : x
  2. Step 2: Convert to fraction form
    30,003/41,404.14 = 17,428.56/x
  3. Step 3: Cross multiply
    30,003x = 41,404.14 × 17,428.56
  4. Step 4: Simplify right side
    30,003x = 721,614,538.24
  5. Step 5: Solve for x
    x = 721,614,538.24/30,003
  6. Step 6: Final answer
    x = 24,051.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.