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Finding the Fourth Proportional to 19,192.88, 28,802.28 and 7,504.64

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Solution

The fourth proportional to 19,192.88, 28,802.28 and 7,504.64 is: 11,262.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,192.88 : 28,802.28 = 7,504.64 : x
  2. Step 2: Convert to fraction form
    19,192.88/28,802.28 = 7,504.64/x
  3. Step 3: Cross multiply
    19,192.88x = 28,802.28 × 7,504.64
  4. Step 4: Simplify right side
    19,192.88x = 216,150,742.58
  5. Step 5: Solve for x
    x = 216,150,742.58/19,192.88
  6. Step 6: Final answer
    x = 11,262.03

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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.