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Finding the Fourth Proportional to 1,373.69, 1,895.69 and 752.69

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Solution

The fourth proportional to 1,373.69, 1,895.69 and 752.69 is: 1,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.69 : 1,895.69 = 752.69 : x
  2. Step 2: Convert to fraction form
    1,373.69/1,895.69 = 752.69/x
  3. Step 3: Cross multiply
    1,373.69x = 1,895.69 × 752.69
  4. Step 4: Simplify right side
    1,373.69x = 1,426,866.91
  5. Step 5: Solve for x
    x = 1,426,866.91/1,373.69
  6. Step 6: Final answer
    x = 1,038.71

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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.