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Finding the Fourth Proportional to 47,935.04, 71,871.48 and 19,847.48

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Solution

The fourth proportional to 47,935.04, 71,871.48 and 19,847.48 is: 29,758.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,935.04 : 71,871.48 = 19,847.48 : x
  2. Step 2: Convert to fraction form
    47,935.04/71,871.48 = 19,847.48/x
  3. Step 3: Cross multiply
    47,935.04x = 71,871.48 × 19,847.48
  4. Step 4: Simplify right side
    47,935.04x = 1,426,467,761.87
  5. Step 5: Solve for x
    x = 1,426,467,761.87/47,935.04
  6. Step 6: Final answer
    x = 29,758.35

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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.