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Finding the Fourth Proportional to 1,368.53, 1,887.50 and 895.89

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Solution

The fourth proportional to 1,368.53, 1,887.50 and 895.89 is: 1,235.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368.53 : 1,887.50 = 895.89 : x
  2. Step 2: Convert to fraction form
    1,368.53/1,887.50 = 895.89/x
  3. Step 3: Cross multiply
    1,368.53x = 1,887.50 × 895.89
  4. Step 4: Simplify right side
    1,368.53x = 1,690,994.61
  5. Step 5: Solve for x
    x = 1,690,994.61/1,368.53
  6. Step 6: Final answer
    x = 1,235.63

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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.