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Finding the Fourth Proportional to 8,897.03, 13,341.01 and 2,971.79

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Solution

The fourth proportional to 8,897.03, 13,341.01 and 2,971.79 is: 4,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.03 : 13,341.01 = 2,971.79 : x
  2. Step 2: Convert to fraction form
    8,897.03/13,341.01 = 2,971.79/x
  3. Step 3: Cross multiply
    8,897.03x = 13,341.01 × 2,971.79
  4. Step 4: Simplify right side
    8,897.03x = 39,646,598.54
  5. Step 5: Solve for x
    x = 39,646,598.54/8,897.03
  6. Step 6: Final answer
    x = 4,456.16

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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.