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Finding the Fourth Proportional to 12,762.51, 19,124.28 and 5,362.94

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Solution

The fourth proportional to 12,762.51, 19,124.28 and 5,362.94 is: 8,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.51 : 19,124.28 = 5,362.94 : x
  2. Step 2: Convert to fraction form
    12,762.51/19,124.28 = 5,362.94/x
  3. Step 3: Cross multiply
    12,762.51x = 19,124.28 × 5,362.94
  4. Step 4: Simplify right side
    12,762.51x = 102,562,270.56
  5. Step 5: Solve for x
    x = 102,562,270.56/12,762.51
  6. Step 6: Final answer
    x = 8,036.21

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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.