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Finding the Fourth Proportional to 35,572.88, 49,086.32 and 19,655.16

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Solution

The fourth proportional to 35,572.88, 49,086.32 and 19,655.16 is: 27,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,572.88 : 49,086.32 = 19,655.16 : x
  2. Step 2: Convert to fraction form
    35,572.88/49,086.32 = 19,655.16/x
  3. Step 3: Cross multiply
    35,572.88x = 49,086.32 × 19,655.16
  4. Step 4: Simplify right side
    35,572.88x = 964,799,375.14
  5. Step 5: Solve for x
    x = 964,799,375.14/35,572.88
  6. Step 6: Final answer
    x = 27,121.77

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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.