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Finding the Fourth Proportional to 28,060.63, 42,092.76 and 8,337.53

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Solution

The fourth proportional to 28,060.63, 42,092.76 and 8,337.53 is: 12,506.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.63 : 42,092.76 = 8,337.53 : x
  2. Step 2: Convert to fraction form
    28,060.63/42,092.76 = 8,337.53/x
  3. Step 3: Cross multiply
    28,060.63x = 42,092.76 × 8,337.53
  4. Step 4: Simplify right side
    28,060.63x = 350,949,785.78
  5. Step 5: Solve for x
    x = 350,949,785.78/28,060.63
  6. Step 6: Final answer
    x = 12,506.84

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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.