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Finding the Fourth Proportional to 51,011.52, 76,521.68 and 14,075.52

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Solution

The fourth proportional to 51,011.52, 76,521.68 and 14,075.52 is: 21,114.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.52 : 76,521.68 = 14,075.52 : x
  2. Step 2: Convert to fraction form
    51,011.52/76,521.68 = 14,075.52/x
  3. Step 3: Cross multiply
    51,011.52x = 76,521.68 × 14,075.52
  4. Step 4: Simplify right side
    51,011.52x = 1,077,082,437.27
  5. Step 5: Solve for x
    x = 1,077,082,437.27/51,011.52
  6. Step 6: Final answer
    x = 21,114.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.