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Finding the Fourth Proportional to 52,829.55, 79,252.02 and 15,384.87

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Solution

The fourth proportional to 52,829.55, 79,252.02 and 15,384.87 is: 23,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.55 : 79,252.02 = 15,384.87 : x
  2. Step 2: Convert to fraction form
    52,829.55/79,252.02 = 15,384.87/x
  3. Step 3: Cross multiply
    52,829.55x = 79,252.02 × 15,384.87
  4. Step 4: Simplify right side
    52,829.55x = 1,219,282,024.94
  5. Step 5: Solve for x
    x = 1,219,282,024.94/52,829.55
  6. Step 6: Final answer
    x = 23,079.55

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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.