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Finding the Fourth Proportional to 1,373.10, 1,895.63 and 925.30

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Solution

The fourth proportional to 1,373.10, 1,895.63 and 925.30 is: 1,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.10 : 1,895.63 = 925.30 : x
  2. Step 2: Convert to fraction form
    1,373.10/1,895.63 = 925.30/x
  3. Step 3: Cross multiply
    1,373.10x = 1,895.63 × 925.30
  4. Step 4: Simplify right side
    1,373.10x = 1,754,021.45
  5. Step 5: Solve for x
    x = 1,754,021.45/1,373.10
  6. Step 6: Final answer
    x = 1,277.42

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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.