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Finding the Fourth Proportional to 25,158.76, 37,738.10 and 6,690.76

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Solution

The fourth proportional to 25,158.76, 37,738.10 and 6,690.76 is: 10,036.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,158.76 : 37,738.10 = 6,690.76 : x
  2. Step 2: Convert to fraction form
    25,158.76/37,738.10 = 6,690.76/x
  3. Step 3: Cross multiply
    25,158.76x = 37,738.10 × 6,690.76
  4. Step 4: Simplify right side
    25,158.76x = 252,496,569.96
  5. Step 5: Solve for x
    x = 252,496,569.96/25,158.76
  6. Step 6: Final answer
    x = 10,036.13

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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.