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Finding the Fourth Proportional to 30,350.50, 45,525.72 and 9,574

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Solution

The fourth proportional to 30,350.50, 45,525.72 and 9,574 is: 14,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,350.50 : 45,525.72 = 9,574 : x
  2. Step 2: Convert to fraction form
    30,350.50/45,525.72 = 9,574/x
  3. Step 3: Cross multiply
    30,350.50x = 45,525.72 × 9,574
  4. Step 4: Simplify right side
    30,350.50x = 435,863,243.28
  5. Step 5: Solve for x
    x = 435,863,243.28/30,350.50
  6. Step 6: Final answer
    x = 14,360.99

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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.