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Finding the Fourth Proportional to 34,700.88, 47,887.22 and 18,785.46

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Solution

The fourth proportional to 34,700.88, 47,887.22 and 18,785.46 is: 25,923.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,700.88 : 47,887.22 = 18,785.46 : x
  2. Step 2: Convert to fraction form
    34,700.88/47,887.22 = 18,785.46/x
  3. Step 3: Cross multiply
    34,700.88x = 47,887.22 × 18,785.46
  4. Step 4: Simplify right side
    34,700.88x = 899,583,455.82
  5. Step 5: Solve for x
    x = 899,583,455.82/34,700.88
  6. Step 6: Final answer
    x = 25,923.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.