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Finding the Fourth Proportional to 70,692.62, 106,038.95 and 33,225.18

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Solution

The fourth proportional to 70,692.62, 106,038.95 and 33,225.18 is: 49,837.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.62 : 106,038.95 = 33,225.18 : x
  2. Step 2: Convert to fraction form
    70,692.62/106,038.95 = 33,225.18/x
  3. Step 3: Cross multiply
    70,692.62x = 106,038.95 × 33,225.18
  4. Step 4: Simplify right side
    70,692.62x = 3,523,163,200.76
  5. Step 5: Solve for x
    x = 3,523,163,200.76/70,692.62
  6. Step 6: Final answer
    x = 49,837.78

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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.