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Finding the Fourth Proportional to 30,632.76, 45,949.08 and 9,574.59

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Solution

The fourth proportional to 30,632.76, 45,949.08 and 9,574.59 is: 14,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.76 : 45,949.08 = 9,574.59 : x
  2. Step 2: Convert to fraction form
    30,632.76/45,949.08 = 9,574.59/x
  3. Step 3: Cross multiply
    30,632.76x = 45,949.08 × 9,574.59
  4. Step 4: Simplify right side
    30,632.76x = 439,943,601.88
  5. Step 5: Solve for x
    x = 439,943,601.88/30,632.76
  6. Step 6: Final answer
    x = 14,361.87

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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.