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Finding the Fourth Proportional to 2,842.50, 4,265.37 and 1,303.50

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Solution

The fourth proportional to 2,842.50, 4,265.37 and 1,303.50 is: 1,955.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.50 : 4,265.37 = 1,303.50 : x
  2. Step 2: Convert to fraction form
    2,842.50/4,265.37 = 1,303.50/x
  3. Step 3: Cross multiply
    2,842.50x = 4,265.37 × 1,303.50
  4. Step 4: Simplify right side
    2,842.50x = 5,559,909.80
  5. Step 5: Solve for x
    x = 5,559,909.80/2,842.50
  6. Step 6: Final answer
    x = 1,955.99

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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.