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Finding the Fourth Proportional to 1,554.71, 2,332.06 and 897.58

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Solution

The fourth proportional to 1,554.71, 2,332.06 and 897.58 is: 1,346.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554.71 : 2,332.06 = 897.58 : x
  2. Step 2: Convert to fraction form
    1,554.71/2,332.06 = 897.58/x
  3. Step 3: Cross multiply
    1,554.71x = 2,332.06 × 897.58
  4. Step 4: Simplify right side
    1,554.71x = 2,093,212.98
  5. Step 5: Solve for x
    x = 2,093,212.98/1,554.71
  6. Step 6: Final answer
    x = 1,346.37

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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.