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Finding the Fourth Proportional to 60,611.29, 90,948.08 and 26,900.40

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Solution

The fourth proportional to 60,611.29, 90,948.08 and 26,900.40 is: 40,364.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,611.29 : 90,948.08 = 26,900.40 : x
  2. Step 2: Convert to fraction form
    60,611.29/90,948.08 = 26,900.40/x
  3. Step 3: Cross multiply
    60,611.29x = 90,948.08 × 26,900.40
  4. Step 4: Simplify right side
    60,611.29x = 2,446,540,139.54
  5. Step 5: Solve for x
    x = 2,446,540,139.54/60,611.29
  6. Step 6: Final answer
    x = 40,364.43

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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.