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Finding the Fourth Proportional to 25,156.83, 37,741.08 and 7,386.78

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Solution

The fourth proportional to 25,156.83, 37,741.08 and 7,386.78 is: 11,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,156.83 : 37,741.08 = 7,386.78 : x
  2. Step 2: Convert to fraction form
    25,156.83/37,741.08 = 7,386.78/x
  3. Step 3: Cross multiply
    25,156.83x = 37,741.08 × 7,386.78
  4. Step 4: Simplify right side
    25,156.83x = 278,785,054.92
  5. Step 5: Solve for x
    x = 278,785,054.92/25,156.83
  6. Step 6: Final answer
    x = 11,081.88

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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.