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Finding the Fourth Proportional to 1,934.34, 2,899.98 and 837.94

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Solution

The fourth proportional to 1,934.34, 2,899.98 and 837.94 is: 1,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.34 : 2,899.98 = 837.94 : x
  2. Step 2: Convert to fraction form
    1,934.34/2,899.98 = 837.94/x
  3. Step 3: Cross multiply
    1,934.34x = 2,899.98 × 837.94
  4. Step 4: Simplify right side
    1,934.34x = 2,430,009.24
  5. Step 5: Solve for x
    x = 2,430,009.24/1,934.34
  6. Step 6: Final answer
    x = 1,256.25

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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.