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Finding the Fourth Proportional to 35,414.68, 48,871.20 and 19,499.08

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Solution

The fourth proportional to 35,414.68, 48,871.20 and 19,499.08 is: 26,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,414.68 : 48,871.20 = 19,499.08 : x
  2. Step 2: Convert to fraction form
    35,414.68/48,871.20 = 19,499.08/x
  3. Step 3: Cross multiply
    35,414.68x = 48,871.20 × 19,499.08
  4. Step 4: Simplify right side
    35,414.68x = 952,943,438.50
  5. Step 5: Solve for x
    x = 952,943,438.50/35,414.68
  6. Step 6: Final answer
    x = 26,908.15

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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.