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Finding the Fourth Proportional to 1,394.66, 1,925.37 and 975.37

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Solution

The fourth proportional to 1,394.66, 1,925.37 and 975.37 is: 1,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394.66 : 1,925.37 = 975.37 : x
  2. Step 2: Convert to fraction form
    1,394.66/1,925.37 = 975.37/x
  3. Step 3: Cross multiply
    1,394.66x = 1,925.37 × 975.37
  4. Step 4: Simplify right side
    1,394.66x = 1,877,943.32
  5. Step 5: Solve for x
    x = 1,877,943.32/1,394.66
  6. Step 6: Final answer
    x = 1,346.52

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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.