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Finding the Fourth Proportional to 47,562.66, 71,354.43 and 17,980.74

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Solution

The fourth proportional to 47,562.66, 71,354.43 and 17,980.74 is: 26,975.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,562.66 : 71,354.43 = 17,980.74 : x
  2. Step 2: Convert to fraction form
    47,562.66/71,354.43 = 17,980.74/x
  3. Step 3: Cross multiply
    47,562.66x = 71,354.43 × 17,980.74
  4. Step 4: Simplify right side
    47,562.66x = 1,283,005,453.68
  5. Step 5: Solve for x
    x = 1,283,005,453.68/47,562.66
  6. Step 6: Final answer
    x = 26,975.06

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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.