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Finding the Fourth Proportional to 11,308.99, 16,955.28 and 7,602.02

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Solution

The fourth proportional to 11,308.99, 16,955.28 and 7,602.02 is: 11,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,308.99 : 16,955.28 = 7,602.02 : x
  2. Step 2: Convert to fraction form
    11,308.99/16,955.28 = 7,602.02/x
  3. Step 3: Cross multiply
    11,308.99x = 16,955.28 × 7,602.02
  4. Step 4: Simplify right side
    11,308.99x = 128,894,420.05
  5. Step 5: Solve for x
    x = 128,894,420.05/11,308.99
  6. Step 6: Final answer
    x = 11,397.52

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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.