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Finding the Fourth Proportional to 30,435.62, 45,662.74 and 14,437.51

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Solution

The fourth proportional to 30,435.62, 45,662.74 and 14,437.51 is: 21,660.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.62 : 45,662.74 = 14,437.51 : x
  2. Step 2: Convert to fraction form
    30,435.62/45,662.74 = 14,437.51/x
  3. Step 3: Cross multiply
    30,435.62x = 45,662.74 × 14,437.51
  4. Step 4: Simplify right side
    30,435.62x = 659,256,115.13
  5. Step 5: Solve for x
    x = 659,256,115.13/30,435.62
  6. Step 6: Final answer
    x = 21,660.68

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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.