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Finding the Fourth Proportional to 1,348.43, 1,860.59 and 750.89

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Solution

The fourth proportional to 1,348.43, 1,860.59 and 750.89 is: 1,036.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.43 : 1,860.59 = 750.89 : x
  2. Step 2: Convert to fraction form
    1,348.43/1,860.59 = 750.89/x
  3. Step 3: Cross multiply
    1,348.43x = 1,860.59 × 750.89
  4. Step 4: Simplify right side
    1,348.43x = 1,397,085.37
  5. Step 5: Solve for x
    x = 1,397,085.37/1,348.43
  6. Step 6: Final answer
    x = 1,036.09

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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.