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Finding the Fourth Proportional to 1,763.02, 2,433 and 977.05

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Solution

The fourth proportional to 1,763.02, 2,433 and 977.05 is: 1,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,763.02 : 2,433 = 977.05 : x
  2. Step 2: Convert to fraction form
    1,763.02/2,433 = 977.05/x
  3. Step 3: Cross multiply
    1,763.02x = 2,433 × 977.05
  4. Step 4: Simplify right side
    1,763.02x = 2,377,162.65
  5. Step 5: Solve for x
    x = 2,377,162.65/1,763.02
  6. Step 6: Final answer
    x = 1,348.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.