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Finding the Fourth Proportional to 7,575.04, 11,356.88 and 5,102.88

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Solution

The fourth proportional to 7,575.04, 11,356.88 and 5,102.88 is: 7,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.04 : 11,356.88 = 5,102.88 : x
  2. Step 2: Convert to fraction form
    7,575.04/11,356.88 = 5,102.88/x
  3. Step 3: Cross multiply
    7,575.04x = 11,356.88 × 5,102.88
  4. Step 4: Simplify right side
    7,575.04x = 57,952,795.81
  5. Step 5: Solve for x
    x = 57,952,795.81/7,575.04
  6. Step 6: Final answer
    x = 7,650.49

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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.