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Finding the Fourth Proportional to 57,506.40, 86,259.60 and 18,063.45

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Solution

The fourth proportional to 57,506.40, 86,259.60 and 18,063.45 is: 27,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,506.40 : 86,259.60 = 18,063.45 : x
  2. Step 2: Convert to fraction form
    57,506.40/86,259.60 = 18,063.45/x
  3. Step 3: Cross multiply
    57,506.40x = 86,259.60 × 18,063.45
  4. Step 4: Simplify right side
    57,506.40x = 1,558,145,971.62
  5. Step 5: Solve for x
    x = 1,558,145,971.62/57,506.40
  6. Step 6: Final answer
    x = 27,095.18

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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.