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Finding the Fourth Proportional to 2,136, 2,941.60 and 1,834.88

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Solution

The fourth proportional to 2,136, 2,941.60 and 1,834.88 is: 2,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136 : 2,941.60 = 1,834.88 : x
  2. Step 2: Convert to fraction form
    2,136/2,941.60 = 1,834.88/x
  3. Step 3: Cross multiply
    2,136x = 2,941.60 × 1,834.88
  4. Step 4: Simplify right side
    2,136x = 5,397,483.01
  5. Step 5: Solve for x
    x = 5,397,483.01/2,136
  6. Step 6: Final answer
    x = 2,526.91

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