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Finding the Fourth Proportional to 11,483.30, 15,850.32 and 7,505.03

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Solution

The fourth proportional to 11,483.30, 15,850.32 and 7,505.03 is: 10,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483.30 : 15,850.32 = 7,505.03 : x
  2. Step 2: Convert to fraction form
    11,483.30/15,850.32 = 7,505.03/x
  3. Step 3: Cross multiply
    11,483.30x = 15,850.32 × 7,505.03
  4. Step 4: Simplify right side
    11,483.30x = 118,957,127.11
  5. Step 5: Solve for x
    x = 118,957,127.11/11,483.30
  6. Step 6: Final answer
    x = 10,359.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.