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Finding the Fourth Proportional to 15,497.58, 21,404.07 and 12,003.06

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Solution

The fourth proportional to 15,497.58, 21,404.07 and 12,003.06 is: 16,577.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.58 : 21,404.07 = 12,003.06 : x
  2. Step 2: Convert to fraction form
    15,497.58/21,404.07 = 12,003.06/x
  3. Step 3: Cross multiply
    15,497.58x = 21,404.07 × 12,003.06
  4. Step 4: Simplify right side
    15,497.58x = 256,914,336.45
  5. Step 5: Solve for x
    x = 256,914,336.45/15,497.58
  6. Step 6: Final answer
    x = 16,577.71

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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.