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Finding the Fourth Proportional to 11,653.47, 17,486.28 and 4,631.99

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Solution

The fourth proportional to 11,653.47, 17,486.28 and 4,631.99 is: 6,950.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.47 : 17,486.28 = 4,631.99 : x
  2. Step 2: Convert to fraction form
    11,653.47/17,486.28 = 4,631.99/x
  3. Step 3: Cross multiply
    11,653.47x = 17,486.28 × 4,631.99
  4. Step 4: Simplify right side
    11,653.47x = 80,996,186.67
  5. Step 5: Solve for x
    x = 80,996,186.67/11,653.47
  6. Step 6: Final answer
    x = 6,950.39

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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.