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Finding the Fourth Proportional to 55,980.74, 77,248.76 and 33,006.92

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Solution

The fourth proportional to 55,980.74, 77,248.76 and 33,006.92 is: 45,546.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,980.74 : 77,248.76 = 33,006.92 : x
  2. Step 2: Convert to fraction form
    55,980.74/77,248.76 = 33,006.92/x
  3. Step 3: Cross multiply
    55,980.74x = 77,248.76 × 33,006.92
  4. Step 4: Simplify right side
    55,980.74x = 2,549,743,090.14
  5. Step 5: Solve for x
    x = 2,549,743,090.14/55,980.74
  6. Step 6: Final answer
    x = 45,546.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.