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Finding the Fourth Proportional to 1,875.56, 2,582.16 and 1,626.08

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Solution

The fourth proportional to 1,875.56, 2,582.16 and 1,626.08 is: 2,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.56 : 2,582.16 = 1,626.08 : x
  2. Step 2: Convert to fraction form
    1,875.56/2,582.16 = 1,626.08/x
  3. Step 3: Cross multiply
    1,875.56x = 2,582.16 × 1,626.08
  4. Step 4: Simplify right side
    1,875.56x = 4,198,798.73
  5. Step 5: Solve for x
    x = 4,198,798.73/1,875.56
  6. Step 6: Final answer
    x = 2,238.69

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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.