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Finding the Fourth Proportional to 11,392.47, 17,087.93 and 5,473.59

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Solution

The fourth proportional to 11,392.47, 17,087.93 and 5,473.59 is: 8,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,392.47 : 17,087.93 = 5,473.59 : x
  2. Step 2: Convert to fraction form
    11,392.47/17,087.93 = 5,473.59/x
  3. Step 3: Cross multiply
    11,392.47x = 17,087.93 × 5,473.59
  4. Step 4: Simplify right side
    11,392.47x = 93,532,322.77
  5. Step 5: Solve for x
    x = 93,532,322.77/11,392.47
  6. Step 6: Final answer
    x = 8,210.02

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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.