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Finding the Fourth Proportional to 2,364.87, 3,547.50 and 903.22

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Solution

The fourth proportional to 2,364.87, 3,547.50 and 903.22 is: 1,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,364.87 : 3,547.50 = 903.22 : x
  2. Step 2: Convert to fraction form
    2,364.87/3,547.50 = 903.22/x
  3. Step 3: Cross multiply
    2,364.87x = 3,547.50 × 903.22
  4. Step 4: Simplify right side
    2,364.87x = 3,204,172.95
  5. Step 5: Solve for x
    x = 3,204,172.95/2,364.87
  6. Step 6: Final answer
    x = 1,354.90

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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.