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Finding the Fourth Proportional to 2,047.32, 3,070.97 and 508.32

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Solution

The fourth proportional to 2,047.32, 3,070.97 and 508.32 is: 762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,047.32 : 3,070.97 = 508.32 : x
  2. Step 2: Convert to fraction form
    2,047.32/3,070.97 = 508.32/x
  3. Step 3: Cross multiply
    2,047.32x = 3,070.97 × 508.32
  4. Step 4: Simplify right side
    2,047.32x = 1,561,032.93
  5. Step 5: Solve for x
    x = 1,561,032.93/2,047.32
  6. Step 6: Final answer
    x = 762.48

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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.