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Finding the Fourth Proportional to 47,666.88, 71,448.48 and 19,932.48

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Solution

The fourth proportional to 47,666.88, 71,448.48 and 19,932.48 is: 29,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,666.88 : 71,448.48 = 19,932.48 : x
  2. Step 2: Convert to fraction form
    47,666.88/71,448.48 = 19,932.48/x
  3. Step 3: Cross multiply
    47,666.88x = 71,448.48 × 19,932.48
  4. Step 4: Simplify right side
    47,666.88x = 1,424,145,398.63
  5. Step 5: Solve for x
    x = 1,424,145,398.63/47,666.88
  6. Step 6: Final answer
    x = 29,877.04

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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.