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Finding the Fourth Proportional to 9,966.82, 14,950.25 and 9,357.88

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Solution

The fourth proportional to 9,966.82, 14,950.25 and 9,357.88 is: 14,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.82 : 14,950.25 = 9,357.88 : x
  2. Step 2: Convert to fraction form
    9,966.82/14,950.25 = 9,357.88/x
  3. Step 3: Cross multiply
    9,966.82x = 14,950.25 × 9,357.88
  4. Step 4: Simplify right side
    9,966.82x = 139,902,677.07
  5. Step 5: Solve for x
    x = 139,902,677.07/9,966.82
  6. Step 6: Final answer
    x = 14,036.84

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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.