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Finding the Fourth Proportional to 51,333.55, 77,007.71 and 15,797.89

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Solution

The fourth proportional to 51,333.55, 77,007.71 and 15,797.89 is: 23,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,333.55 : 77,007.71 = 15,797.89 : x
  2. Step 2: Convert to fraction form
    51,333.55/77,007.71 = 15,797.89/x
  3. Step 3: Cross multiply
    51,333.55x = 77,007.71 × 15,797.89
  4. Step 4: Simplify right side
    51,333.55x = 1,216,559,034.32
  5. Step 5: Solve for x
    x = 1,216,559,034.32/51,333.55
  6. Step 6: Final answer
    x = 23,699.10

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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.