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Finding the Fourth Proportional to 9,360.80, 14,041.20 and 2,435.30

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Solution

The fourth proportional to 9,360.80, 14,041.20 and 2,435.30 is: 3,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.80 : 14,041.20 = 2,435.30 : x
  2. Step 2: Convert to fraction form
    9,360.80/14,041.20 = 2,435.30/x
  3. Step 3: Cross multiply
    9,360.80x = 14,041.20 × 2,435.30
  4. Step 4: Simplify right side
    9,360.80x = 34,194,534.36
  5. Step 5: Solve for x
    x = 34,194,534.36/9,360.80
  6. Step 6: Final answer
    x = 3,652.95

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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.