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Finding the Fourth Proportional to 5,250.54, 7,875.80 and 1,354.94

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Solution

The fourth proportional to 5,250.54, 7,875.80 and 1,354.94 is: 2,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.54 : 7,875.80 = 1,354.94 : x
  2. Step 2: Convert to fraction form
    5,250.54/7,875.80 = 1,354.94/x
  3. Step 3: Cross multiply
    5,250.54x = 7,875.80 × 1,354.94
  4. Step 4: Simplify right side
    5,250.54x = 10,671,236.45
  5. Step 5: Solve for x
    x = 10,671,236.45/5,250.54
  6. Step 6: Final answer
    x = 2,032.41

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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.