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Finding the Fourth Proportional to 48,726.74, 73,090.11 and 11,790.74

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Solution

The fourth proportional to 48,726.74, 73,090.11 and 11,790.74 is: 17,686.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,726.74 : 73,090.11 = 11,790.74 : x
  2. Step 2: Convert to fraction form
    48,726.74/73,090.11 = 11,790.74/x
  3. Step 3: Cross multiply
    48,726.74x = 73,090.11 × 11,790.74
  4. Step 4: Simplify right side
    48,726.74x = 861,786,483.58
  5. Step 5: Solve for x
    x = 861,786,483.58/48,726.74
  6. Step 6: Final answer
    x = 17,686.11

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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.