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Finding the Fourth Proportional to 55,155.88, 76,089.90 and 33,927.40

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Solution

The fourth proportional to 55,155.88, 76,089.90 and 33,927.40 is: 46,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,155.88 : 76,089.90 = 33,927.40 : x
  2. Step 2: Convert to fraction form
    55,155.88/76,089.90 = 33,927.40/x
  3. Step 3: Cross multiply
    55,155.88x = 76,089.90 × 33,927.40
  4. Step 4: Simplify right side
    55,155.88x = 2,581,532,473.26
  5. Step 5: Solve for x
    x = 2,581,532,473.26/55,155.88
  6. Step 6: Final answer
    x = 46,804.30

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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.