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Finding the Fourth Proportional to 8,562.71, 11,815.43 and 5,024.63

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Solution

The fourth proportional to 8,562.71, 11,815.43 and 5,024.63 is: 6,933.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.71 : 11,815.43 = 5,024.63 : x
  2. Step 2: Convert to fraction form
    8,562.71/11,815.43 = 5,024.63/x
  3. Step 3: Cross multiply
    8,562.71x = 11,815.43 × 5,024.63
  4. Step 4: Simplify right side
    8,562.71x = 59,368,079.84
  5. Step 5: Solve for x
    x = 59,368,079.84/8,562.71
  6. Step 6: Final answer
    x = 6,933.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.