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Finding the Fourth Proportional to 30,424.37, 45,640.89 and 9,366.17

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Solution

The fourth proportional to 30,424.37, 45,640.89 and 9,366.17 is: 14,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,424.37 : 45,640.89 = 9,366.17 : x
  2. Step 2: Convert to fraction form
    30,424.37/45,640.89 = 9,366.17/x
  3. Step 3: Cross multiply
    30,424.37x = 45,640.89 × 9,366.17
  4. Step 4: Simplify right side
    30,424.37x = 427,480,448.79
  5. Step 5: Solve for x
    x = 427,480,448.79/30,424.37
  6. Step 6: Final answer
    x = 14,050.59

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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.