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Finding the Fourth Proportional to 926.01, 1,376.51 and 898.37

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Solution

The fourth proportional to 926.01, 1,376.51 and 898.37 is: 1,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    926.01 : 1,376.51 = 898.37 : x
  2. Step 2: Convert to fraction form
    926.01/1,376.51 = 898.37/x
  3. Step 3: Cross multiply
    926.01x = 1,376.51 × 898.37
  4. Step 4: Simplify right side
    926.01x = 1,236,603.91
  5. Step 5: Solve for x
    x = 1,236,603.91/926.01
  6. Step 6: Final answer
    x = 1,335.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.