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Finding the Fourth Proportional to 1,870.84, 2,581.04 and 1,124.52

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Solution

The fourth proportional to 1,870.84, 2,581.04 and 1,124.52 is: 1,551.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,870.84 : 2,581.04 = 1,124.52 : x
  2. Step 2: Convert to fraction form
    1,870.84/2,581.04 = 1,124.52/x
  3. Step 3: Cross multiply
    1,870.84x = 2,581.04 × 1,124.52
  4. Step 4: Simplify right side
    1,870.84x = 2,902,431.10
  5. Step 5: Solve for x
    x = 2,902,431.10/1,870.84
  6. Step 6: Final answer
    x = 1,551.41

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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.