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Finding the Fourth Proportional to 1,875.50, 2,588.48 and 1,119.37

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Solution

The fourth proportional to 1,875.50, 2,588.48 and 1,119.37 is: 1,544.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.50 : 2,588.48 = 1,119.37 : x
  2. Step 2: Convert to fraction form
    1,875.50/2,588.48 = 1,119.37/x
  3. Step 3: Cross multiply
    1,875.50x = 2,588.48 × 1,119.37
  4. Step 4: Simplify right side
    1,875.50x = 2,897,460.39
  5. Step 5: Solve for x
    x = 2,897,460.39/1,875.50
  6. Step 6: Final answer
    x = 1,544.90

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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.