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Finding the Fourth Proportional to 1,897.83, 2,616.71 and 1,472.58

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Solution

The fourth proportional to 1,897.83, 2,616.71 and 1,472.58 is: 2,030.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.83 : 2,616.71 = 1,472.58 : x
  2. Step 2: Convert to fraction form
    1,897.83/2,616.71 = 1,472.58/x
  3. Step 3: Cross multiply
    1,897.83x = 2,616.71 × 1,472.58
  4. Step 4: Simplify right side
    1,897.83x = 3,853,307.45
  5. Step 5: Solve for x
    x = 3,853,307.45/1,897.83
  6. Step 6: Final answer
    x = 2,030.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.