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Finding the Fourth Proportional to 8,596.50, 12,900.51 and 3,124.50

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Solution

The fourth proportional to 8,596.50, 12,900.51 and 3,124.50 is: 4,688.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,596.50 : 12,900.51 = 3,124.50 : x
  2. Step 2: Convert to fraction form
    8,596.50/12,900.51 = 3,124.50/x
  3. Step 3: Cross multiply
    8,596.50x = 12,900.51 × 3,124.50
  4. Step 4: Simplify right side
    8,596.50x = 40,307,643.50
  5. Step 5: Solve for x
    x = 40,307,643.50/8,596.50
  6. Step 6: Final answer
    x = 4,688.84

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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.