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Finding the Fourth Proportional to 54,888.54, 75,748.95 and 30,692.22

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Solution

The fourth proportional to 54,888.54, 75,748.95 and 30,692.22 is: 42,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.54 : 75,748.95 = 30,692.22 : x
  2. Step 2: Convert to fraction form
    54,888.54/75,748.95 = 30,692.22/x
  3. Step 3: Cross multiply
    54,888.54x = 75,748.95 × 30,692.22
  4. Step 4: Simplify right side
    54,888.54x = 2,324,903,438.17
  5. Step 5: Solve for x
    x = 2,324,903,438.17/54,888.54
  6. Step 6: Final answer
    x = 42,356.81

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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.