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Finding the Fourth Proportional to 30,626.36, 45,936.66 and 9,565.64

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Solution

The fourth proportional to 30,626.36, 45,936.66 and 9,565.64 is: 14,347.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.36 : 45,936.66 = 9,565.64 : x
  2. Step 2: Convert to fraction form
    30,626.36/45,936.66 = 9,565.64/x
  3. Step 3: Cross multiply
    30,626.36x = 45,936.66 × 9,565.64
  4. Step 4: Simplify right side
    30,626.36x = 439,413,552.36
  5. Step 5: Solve for x
    x = 439,413,552.36/30,626.36
  6. Step 6: Final answer
    x = 14,347.56

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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.