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Finding the Fourth Proportional to 25,330.59, 37,996.20 and 7,800.39

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Solution

The fourth proportional to 25,330.59, 37,996.20 and 7,800.39 is: 11,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,330.59 : 37,996.20 = 7,800.39 : x
  2. Step 2: Convert to fraction form
    25,330.59/37,996.20 = 7,800.39/x
  3. Step 3: Cross multiply
    25,330.59x = 37,996.20 × 7,800.39
  4. Step 4: Simplify right side
    25,330.59x = 296,385,178.52
  5. Step 5: Solve for x
    x = 296,385,178.52/25,330.59
  6. Step 6: Final answer
    x = 11,700.68

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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.