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Finding the Fourth Proportional to 1,903.59, 2,627 and 1,345.04

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Solution

The fourth proportional to 1,903.59, 2,627 and 1,345.04 is: 1,856.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.59 : 2,627 = 1,345.04 : x
  2. Step 2: Convert to fraction form
    1,903.59/2,627 = 1,345.04/x
  3. Step 3: Cross multiply
    1,903.59x = 2,627 × 1,345.04
  4. Step 4: Simplify right side
    1,903.59x = 3,533,420.08
  5. Step 5: Solve for x
    x = 3,533,420.08/1,903.59
  6. Step 6: Final answer
    x = 1,856.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.