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Finding the Fourth Proportional to 70,792.85, 97,692.29 and 38,528.11

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Solution

The fourth proportional to 70,792.85, 97,692.29 and 38,528.11 is: 53,167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,792.85 : 97,692.29 = 38,528.11 : x
  2. Step 2: Convert to fraction form
    70,792.85/97,692.29 = 38,528.11/x
  3. Step 3: Cross multiply
    70,792.85x = 97,692.29 × 38,528.11
  4. Step 4: Simplify right side
    70,792.85x = 3,763,899,369.23
  5. Step 5: Solve for x
    x = 3,763,899,369.23/70,792.85
  6. Step 6: Final answer
    x = 53,167.79

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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.