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Finding the Fourth Proportional to 35,486.80, 48,971.14 and 19,572.68

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Solution

The fourth proportional to 35,486.80, 48,971.14 and 19,572.68 is: 27,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,486.80 : 48,971.14 = 19,572.68 : x
  2. Step 2: Convert to fraction form
    35,486.80/48,971.14 = 19,572.68/x
  3. Step 3: Cross multiply
    35,486.80x = 48,971.14 × 19,572.68
  4. Step 4: Simplify right side
    35,486.80x = 958,496,452.46
  5. Step 5: Solve for x
    x = 958,496,452.46/35,486.80
  6. Step 6: Final answer
    x = 27,009.94

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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.