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Finding the Fourth Proportional to 25,009.88, 37,509.24 and 7,477.44

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Solution

The fourth proportional to 25,009.88, 37,509.24 and 7,477.44 is: 11,214.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.88 : 37,509.24 = 7,477.44 : x
  2. Step 2: Convert to fraction form
    25,009.88/37,509.24 = 7,477.44/x
  3. Step 3: Cross multiply
    25,009.88x = 37,509.24 × 7,477.44
  4. Step 4: Simplify right side
    25,009.88x = 280,473,091.55
  5. Step 5: Solve for x
    x = 280,473,091.55/25,009.88
  6. Step 6: Final answer
    x = 11,214.49

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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.