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Finding the Fourth Proportional to 52,697.60, 79,050.56 and 17,637.40

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Solution

The fourth proportional to 52,697.60, 79,050.56 and 17,637.40 is: 26,457.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,697.60 : 79,050.56 = 17,637.40 : x
  2. Step 2: Convert to fraction form
    52,697.60/79,050.56 = 17,637.40/x
  3. Step 3: Cross multiply
    52,697.60x = 79,050.56 × 17,637.40
  4. Step 4: Simplify right side
    52,697.60x = 1,394,246,346.94
  5. Step 5: Solve for x
    x = 1,394,246,346.94/52,697.60
  6. Step 6: Final answer
    x = 26,457.49

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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.