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Finding the Fourth Proportional to 8,709.54, 12,022.04 and 5,124.46

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Solution

The fourth proportional to 8,709.54, 12,022.04 and 5,124.46 is: 7,073.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.54 : 12,022.04 = 5,124.46 : x
  2. Step 2: Convert to fraction form
    8,709.54/12,022.04 = 5,124.46/x
  3. Step 3: Cross multiply
    8,709.54x = 12,022.04 × 5,124.46
  4. Step 4: Simplify right side
    8,709.54x = 61,606,437.48
  5. Step 5: Solve for x
    x = 61,606,437.48/8,709.54
  6. Step 6: Final answer
    x = 7,073.45

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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.