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Finding the Fourth Proportional to 2,897.36, 3,996.36 and 2,417.48

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Solution

The fourth proportional to 2,897.36, 3,996.36 and 2,417.48 is: 3,334.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.36 : 3,996.36 = 2,417.48 : x
  2. Step 2: Convert to fraction form
    2,897.36/3,996.36 = 2,417.48/x
  3. Step 3: Cross multiply
    2,897.36x = 3,996.36 × 2,417.48
  4. Step 4: Simplify right side
    2,897.36x = 9,661,120.37
  5. Step 5: Solve for x
    x = 9,661,120.37/2,897.36
  6. Step 6: Final answer
    x = 3,334.46

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1.5x scale

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.