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Finding the Fourth Proportional to 1,025.48, 1,537.29 and 376.06

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Solution

The fourth proportional to 1,025.48, 1,537.29 and 376.06 is: 563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025.48 : 1,537.29 = 376.06 : x
  2. Step 2: Convert to fraction form
    1,025.48/1,537.29 = 376.06/x
  3. Step 3: Cross multiply
    1,025.48x = 1,537.29 × 376.06
  4. Step 4: Simplify right side
    1,025.48x = 578,109.43
  5. Step 5: Solve for x
    x = 578,109.43/1,025.48
  6. Step 6: Final answer
    x = 563.75

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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.