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Finding the Fourth Proportional to 3,362.58, 4,640.45 and 1,870.47

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Solution

The fourth proportional to 3,362.58, 4,640.45 and 1,870.47 is: 2,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.58 : 4,640.45 = 1,870.47 : x
  2. Step 2: Convert to fraction form
    3,362.58/4,640.45 = 1,870.47/x
  3. Step 3: Cross multiply
    3,362.58x = 4,640.45 × 1,870.47
  4. Step 4: Simplify right side
    3,362.58x = 8,679,822.51
  5. Step 5: Solve for x
    x = 8,679,822.51/3,362.58
  6. Step 6: Final answer
    x = 2,581.30

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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.