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Finding the Fourth Proportional to 28,885.34, 39,708.74 and 24,837.34

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Solution

The fourth proportional to 28,885.34, 39,708.74 and 24,837.34 is: 34,143.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.34 : 39,708.74 = 24,837.34 : x
  2. Step 2: Convert to fraction form
    28,885.34/39,708.74 = 24,837.34/x
  3. Step 3: Cross multiply
    28,885.34x = 39,708.74 × 24,837.34
  4. Step 4: Simplify right side
    28,885.34x = 986,259,702.12
  5. Step 5: Solve for x
    x = 986,259,702.12/28,885.34
  6. Step 6: Final answer
    x = 34,143.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.