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Finding the Fourth Proportional to 30,379.51, 45,568.99 and 9,603.01

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Solution

The fourth proportional to 30,379.51, 45,568.99 and 9,603.01 is: 14,404.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.51 : 45,568.99 = 9,603.01 : x
  2. Step 2: Convert to fraction form
    30,379.51/45,568.99 = 9,603.01/x
  3. Step 3: Cross multiply
    30,379.51x = 45,568.99 × 9,603.01
  4. Step 4: Simplify right side
    30,379.51x = 437,599,466.66
  5. Step 5: Solve for x
    x = 437,599,466.66/30,379.51
  6. Step 6: Final answer
    x = 14,404.43

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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.