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Finding the Fourth Proportional to 1,762.15, 2,643.23 and 941.01

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Solution

The fourth proportional to 1,762.15, 2,643.23 and 941.01 is: 1,411.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.15 : 2,643.23 = 941.01 : x
  2. Step 2: Convert to fraction form
    1,762.15/2,643.23 = 941.01/x
  3. Step 3: Cross multiply
    1,762.15x = 2,643.23 × 941.01
  4. Step 4: Simplify right side
    1,762.15x = 2,487,305.86
  5. Step 5: Solve for x
    x = 2,487,305.86/1,762.15
  6. Step 6: Final answer
    x = 1,411.52

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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.