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Finding the Fourth Proportional to 52,017, 78,012.45 and 14,567.37

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Solution

The fourth proportional to 52,017, 78,012.45 and 14,567.37 is: 21,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,017 : 78,012.45 = 14,567.37 : x
  2. Step 2: Convert to fraction form
    52,017/78,012.45 = 14,567.37/x
  3. Step 3: Cross multiply
    52,017x = 78,012.45 × 14,567.37
  4. Step 4: Simplify right side
    52,017x = 1,136,436,223.76
  5. Step 5: Solve for x
    x = 1,136,436,223.76/52,017
  6. Step 6: Final answer
    x = 21,847.40

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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.