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Finding the Fourth Proportional to 13,041.62, 17,992.53 and 9,646.76

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Solution

The fourth proportional to 13,041.62, 17,992.53 and 9,646.76 is: 13,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.62 : 17,992.53 = 9,646.76 : x
  2. Step 2: Convert to fraction form
    13,041.62/17,992.53 = 9,646.76/x
  3. Step 3: Cross multiply
    13,041.62x = 17,992.53 × 9,646.76
  4. Step 4: Simplify right side
    13,041.62x = 173,569,663.68
  5. Step 5: Solve for x
    x = 173,569,663.68/13,041.62
  6. Step 6: Final answer
    x = 13,308.90

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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.