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Finding the Fourth Proportional to 25,056.78, 37,590.98 and 7,287.86

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Solution

The fourth proportional to 25,056.78, 37,590.98 and 7,287.86 is: 10,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,056.78 : 37,590.98 = 7,287.86 : x
  2. Step 2: Convert to fraction form
    25,056.78/37,590.98 = 7,287.86/x
  3. Step 3: Cross multiply
    25,056.78x = 37,590.98 × 7,287.86
  4. Step 4: Simplify right side
    25,056.78x = 273,957,763.06
  5. Step 5: Solve for x
    x = 273,957,763.06/25,056.78
  6. Step 6: Final answer
    x = 10,933.48

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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.