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Finding the Fourth Proportional to 16,507.87, 22,790.72 and 10,852.07

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Solution

The fourth proportional to 16,507.87, 22,790.72 and 10,852.07 is: 14,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,507.87 : 22,790.72 = 10,852.07 : x
  2. Step 2: Convert to fraction form
    16,507.87/22,790.72 = 10,852.07/x
  3. Step 3: Cross multiply
    16,507.87x = 22,790.72 × 10,852.07
  4. Step 4: Simplify right side
    16,507.87x = 247,326,488.79
  5. Step 5: Solve for x
    x = 247,326,488.79/16,507.87
  6. Step 6: Final answer
    x = 14,982.34

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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.