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Finding the Fourth Proportional to 60,211.40, 90,368.30 and 26,982.60

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Solution

The fourth proportional to 60,211.40, 90,368.30 and 26,982.60 is: 40,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,211.40 : 90,368.30 = 26,982.60 : x
  2. Step 2: Convert to fraction form
    60,211.40/90,368.30 = 26,982.60/x
  3. Step 3: Cross multiply
    60,211.40x = 90,368.30 × 26,982.60
  4. Step 4: Simplify right side
    60,211.40x = 2,438,371,691.58
  5. Step 5: Solve for x
    x = 2,438,371,691.58/60,211.40
  6. Step 6: Final answer
    x = 40,496.84

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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.