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Finding the Fourth Proportional to 1,371.89, 2,056.48 and 592.07

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Solution

The fourth proportional to 1,371.89, 2,056.48 and 592.07 is: 887.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371.89 : 2,056.48 = 592.07 : x
  2. Step 2: Convert to fraction form
    1,371.89/2,056.48 = 592.07/x
  3. Step 3: Cross multiply
    1,371.89x = 2,056.48 × 592.07
  4. Step 4: Simplify right side
    1,371.89x = 1,217,580.11
  5. Step 5: Solve for x
    x = 1,217,580.11/1,371.89
  6. Step 6: Final answer
    x = 887.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.