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Finding the Fourth Proportional to 25,232.88, 37,854.72 and 7,704

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Solution

The fourth proportional to 25,232.88, 37,854.72 and 7,704 is: 11,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.88 : 37,854.72 = 7,704 : x
  2. Step 2: Convert to fraction form
    25,232.88/37,854.72 = 7,704/x
  3. Step 3: Cross multiply
    25,232.88x = 37,854.72 × 7,704
  4. Step 4: Simplify right side
    25,232.88x = 291,632,762.88
  5. Step 5: Solve for x
    x = 291,632,762.88/25,232.88
  6. Step 6: Final answer
    x = 11,557.65

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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.