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Finding the Fourth Proportional to 60,617.40, 90,926.10 and 39,622.20

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Solution

The fourth proportional to 60,617.40, 90,926.10 and 39,622.20 is: 59,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,617.40 : 90,926.10 = 39,622.20 : x
  2. Step 2: Convert to fraction form
    60,617.40/90,926.10 = 39,622.20/x
  3. Step 3: Cross multiply
    60,617.40x = 90,926.10 × 39,622.20
  4. Step 4: Simplify right side
    60,617.40x = 3,602,692,119.42
  5. Step 5: Solve for x
    x = 3,602,692,119.42/60,617.40
  6. Step 6: Final answer
    x = 59,433.30

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Similar ratio
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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.