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Finding the Fourth Proportional to 35,635.76, 49,174.96 and 19,719.08

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Solution

The fourth proportional to 35,635.76, 49,174.96 and 19,719.08 is: 27,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.76 : 49,174.96 = 19,719.08 : x
  2. Step 2: Convert to fraction form
    35,635.76/49,174.96 = 19,719.08/x
  3. Step 3: Cross multiply
    35,635.76x = 49,174.96 × 19,719.08
  4. Step 4: Simplify right side
    35,635.76x = 969,684,970.24
  5. Step 5: Solve for x
    x = 969,684,970.24/35,635.76
  6. Step 6: Final answer
    x = 27,211.01

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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.