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Finding the Fourth Proportional to 19,901.68, 29,852.52 and 8,944.88

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Solution

The fourth proportional to 19,901.68, 29,852.52 and 8,944.88 is: 13,417.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,901.68 : 29,852.52 = 8,944.88 : x
  2. Step 2: Convert to fraction form
    19,901.68/29,852.52 = 8,944.88/x
  3. Step 3: Cross multiply
    19,901.68x = 29,852.52 × 8,944.88
  4. Step 4: Simplify right side
    19,901.68x = 267,027,209.10
  5. Step 5: Solve for x
    x = 267,027,209.10/19,901.68
  6. Step 6: Final answer
    x = 13,417.32

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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.