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Finding the Fourth Proportional to 64,685.25, 97,027.88 and 17,938.13

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Solution

The fourth proportional to 64,685.25, 97,027.88 and 17,938.13 is: 26,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,685.25 : 97,027.88 = 17,938.13 : x
  2. Step 2: Convert to fraction form
    64,685.25/97,027.88 = 17,938.13/x
  3. Step 3: Cross multiply
    64,685.25x = 97,027.88 × 17,938.13
  4. Step 4: Simplify right side
    64,685.25x = 1,740,498,150.23
  5. Step 5: Solve for x
    x = 1,740,498,150.23/64,685.25
  6. Step 6: Final answer
    x = 26,907.19

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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.