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Finding the Fourth Proportional to 55,692.58, 83,538.11 and 13,572.98

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Solution

The fourth proportional to 55,692.58, 83,538.11 and 13,572.98 is: 20,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,692.58 : 83,538.11 = 13,572.98 : x
  2. Step 2: Convert to fraction form
    55,692.58/83,538.11 = 13,572.98/x
  3. Step 3: Cross multiply
    55,692.58x = 83,538.11 × 13,572.98
  4. Step 4: Simplify right side
    55,692.58x = 1,133,861,457.51
  5. Step 5: Solve for x
    x = 1,133,861,457.51/55,692.58
  6. Step 6: Final answer
    x = 20,359.29

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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.