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Finding the Fourth Proportional to 17,611.65, 24,303.96 and 9,654.21

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Solution

The fourth proportional to 17,611.65, 24,303.96 and 9,654.21 is: 13,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.65 : 24,303.96 = 9,654.21 : x
  2. Step 2: Convert to fraction form
    17,611.65/24,303.96 = 9,654.21/x
  3. Step 3: Cross multiply
    17,611.65x = 24,303.96 × 9,654.21
  4. Step 4: Simplify right side
    17,611.65x = 234,635,412.15
  5. Step 5: Solve for x
    x = 234,635,412.15/17,611.65
  6. Step 6: Final answer
    x = 13,322.74

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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.