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Finding the Fourth Proportional to 25,167.72, 37,751.64 and 6,699.72

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Solution

The fourth proportional to 25,167.72, 37,751.64 and 6,699.72 is: 10,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,167.72 : 37,751.64 = 6,699.72 : x
  2. Step 2: Convert to fraction form
    25,167.72/37,751.64 = 6,699.72/x
  3. Step 3: Cross multiply
    25,167.72x = 37,751.64 × 6,699.72
  4. Step 4: Simplify right side
    25,167.72x = 252,925,417.54
  5. Step 5: Solve for x
    x = 252,925,417.54/25,167.72
  6. Step 6: Final answer
    x = 10,049.60

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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.