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Finding the Fourth Proportional to 47,476.80, 71,257.46 and 25,308.48

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Solution

The fourth proportional to 47,476.80, 71,257.46 and 25,308.48 is: 37,985.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,476.80 : 71,257.46 = 25,308.48 : x
  2. Step 2: Convert to fraction form
    47,476.80/71,257.46 = 25,308.48/x
  3. Step 3: Cross multiply
    47,476.80x = 71,257.46 × 25,308.48
  4. Step 4: Simplify right side
    47,476.80x = 1,803,418,001.26
  5. Step 5: Solve for x
    x = 1,803,418,001.26/47,476.80
  6. Step 6: Final answer
    x = 37,985.25

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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.