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Finding the Fourth Proportional to 86,692.88, 130,038.92 and 27,533.12

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Solution

The fourth proportional to 86,692.88, 130,038.92 and 27,533.12 is: 41,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,692.88 : 130,038.92 = 27,533.12 : x
  2. Step 2: Convert to fraction form
    86,692.88/130,038.92 = 27,533.12/x
  3. Step 3: Cross multiply
    86,692.88x = 130,038.92 × 27,533.12
  4. Step 4: Simplify right side
    86,692.88x = 3,580,376,504.42
  5. Step 5: Solve for x
    x = 3,580,376,504.42/86,692.88
  6. Step 6: Final answer
    x = 41,299.54

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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.