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Finding the Fourth Proportional to 52,501.60, 78,762.48 and 16,972.48

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Solution

The fourth proportional to 52,501.60, 78,762.48 and 16,972.48 is: 25,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.60 : 78,762.48 = 16,972.48 : x
  2. Step 2: Convert to fraction form
    52,501.60/78,762.48 = 16,972.48/x
  3. Step 3: Cross multiply
    52,501.60x = 78,762.48 × 16,972.48
  4. Step 4: Simplify right side
    52,501.60x = 1,336,794,616.55
  5. Step 5: Solve for x
    x = 1,336,794,616.55/52,501.60
  6. Step 6: Final answer
    x = 25,461.98

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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.