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Finding the Fourth Proportional to 54,255.66, 74,860.67 and 32,748.90

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Solution

The fourth proportional to 54,255.66, 74,860.67 and 32,748.90 is: 45,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,255.66 : 74,860.67 = 32,748.90 : x
  2. Step 2: Convert to fraction form
    54,255.66/74,860.67 = 32,748.90/x
  3. Step 3: Cross multiply
    54,255.66x = 74,860.67 × 32,748.90
  4. Step 4: Simplify right side
    54,255.66x = 2,451,604,595.76
  5. Step 5: Solve for x
    x = 2,451,604,595.76/54,255.66
  6. Step 6: Final answer
    x = 45,186.15

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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.