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Finding the Fourth Proportional to 18,425.58, 27,641.10 and 5,941.50

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Solution

The fourth proportional to 18,425.58, 27,641.10 and 5,941.50 is: 8,913.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.58 : 27,641.10 = 5,941.50 : x
  2. Step 2: Convert to fraction form
    18,425.58/27,641.10 = 5,941.50/x
  3. Step 3: Cross multiply
    18,425.58x = 27,641.10 × 5,941.50
  4. Step 4: Simplify right side
    18,425.58x = 164,229,595.65
  5. Step 5: Solve for x
    x = 164,229,595.65/18,425.58
  6. Step 6: Final answer
    x = 8,913.13

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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.