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Finding the Fourth Proportional to 52,291.79, 78,439.52 and 16,748.48

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Solution

The fourth proportional to 52,291.79, 78,439.52 and 16,748.48 is: 25,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,291.79 : 78,439.52 = 16,748.48 : x
  2. Step 2: Convert to fraction form
    52,291.79/78,439.52 = 16,748.48/x
  3. Step 3: Cross multiply
    52,291.79x = 78,439.52 × 16,748.48
  4. Step 4: Simplify right side
    52,291.79x = 1,313,742,969.90
  5. Step 5: Solve for x
    x = 1,313,742,969.90/52,291.79
  6. Step 6: Final answer
    x = 25,123.31

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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.