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Finding the Fourth Proportional to 1,411.04, 1,947.03 and 887.24

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Solution

The fourth proportional to 1,411.04, 1,947.03 and 887.24 is: 1,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411.04 : 1,947.03 = 887.24 : x
  2. Step 2: Convert to fraction form
    1,411.04/1,947.03 = 887.24/x
  3. Step 3: Cross multiply
    1,411.04x = 1,947.03 × 887.24
  4. Step 4: Simplify right side
    1,411.04x = 1,727,482.90
  5. Step 5: Solve for x
    x = 1,727,482.90/1,411.04
  6. Step 6: Final answer
    x = 1,224.26

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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.