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Finding the Fourth Proportional to 1,897.34, 2,846.56 and 973.54

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Solution

The fourth proportional to 1,897.34, 2,846.56 and 973.54 is: 1,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.34 : 2,846.56 = 973.54 : x
  2. Step 2: Convert to fraction form
    1,897.34/2,846.56 = 973.54/x
  3. Step 3: Cross multiply
    1,897.34x = 2,846.56 × 973.54
  4. Step 4: Simplify right side
    1,897.34x = 2,771,232.91
  5. Step 5: Solve for x
    x = 2,771,232.91/1,897.34
  6. Step 6: Final answer
    x = 1,460.59

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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.