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Finding the Fourth Proportional to 56,696.56, 85,027.56 and 15,138.16

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Solution

The fourth proportional to 56,696.56, 85,027.56 and 15,138.16 is: 22,702.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,696.56 : 85,027.56 = 15,138.16 : x
  2. Step 2: Convert to fraction form
    56,696.56/85,027.56 = 15,138.16/x
  3. Step 3: Cross multiply
    56,696.56x = 85,027.56 × 15,138.16
  4. Step 4: Simplify right side
    56,696.56x = 1,287,160,807.69
  5. Step 5: Solve for x
    x = 1,287,160,807.69/56,696.56
  6. Step 6: Final answer
    x = 22,702.63

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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.