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Finding the Fourth Proportional to 53,692.80, 80,463.03 and 39,541.84

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Solution

The fourth proportional to 53,692.80, 80,463.03 and 39,541.84 is: 59,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,692.80 : 80,463.03 = 39,541.84 : x
  2. Step 2: Convert to fraction form
    53,692.80/80,463.03 = 39,541.84/x
  3. Step 3: Cross multiply
    53,692.80x = 80,463.03 × 39,541.84
  4. Step 4: Simplify right side
    53,692.80x = 3,181,656,210.47
  5. Step 5: Solve for x
    x = 3,181,656,210.47/53,692.80
  6. Step 6: Final answer
    x = 59,256.67

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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.