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Finding the Fourth Proportional to 30,624.36, 45,933.66 and 9,563.64

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Solution

The fourth proportional to 30,624.36, 45,933.66 and 9,563.64 is: 14,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624.36 : 45,933.66 = 9,563.64 : x
  2. Step 2: Convert to fraction form
    30,624.36/45,933.66 = 9,563.64/x
  3. Step 3: Cross multiply
    30,624.36x = 45,933.66 × 9,563.64
  4. Step 4: Simplify right side
    30,624.36x = 439,292,988.12
  5. Step 5: Solve for x
    x = 439,292,988.12/30,624.36
  6. Step 6: Final answer
    x = 14,344.56

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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.