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Finding the Fourth Proportional to 12,762.33, 19,124.00 and 5,362.74

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Solution

The fourth proportional to 12,762.33, 19,124.00 and 5,362.74 is: 8,035.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.33 : 19,124.00 = 5,362.74 : x
  2. Step 2: Convert to fraction form
    12,762.33/19,124.00 = 5,362.74/x
  3. Step 3: Cross multiply
    12,762.33x = 19,124.00 × 5,362.74
  4. Step 4: Simplify right side
    12,762.33x = 102,557,033.06
  5. Step 5: Solve for x
    x = 102,557,033.06/12,762.33
  6. Step 6: Final answer
    x = 8,035.92

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1.5x scale

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.