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Finding the Fourth Proportional to 90,570.76, 135,862.38 and 37,927.24

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Solution

The fourth proportional to 90,570.76, 135,862.38 and 37,927.24 is: 56,893.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,570.76 : 135,862.38 = 37,927.24 : x
  2. Step 2: Convert to fraction form
    90,570.76/135,862.38 = 37,927.24/x
  3. Step 3: Cross multiply
    90,570.76x = 135,862.38 × 37,927.24
  4. Step 4: Simplify right side
    90,570.76x = 5,152,885,093.23
  5. Step 5: Solve for x
    x = 5,152,885,093.23/90,570.76
  6. Step 6: Final answer
    x = 56,893.47

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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.