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Finding the Fourth Proportional to 66,595.68, 91,898.46 and 37,922.40

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Solution

The fourth proportional to 66,595.68, 91,898.46 and 37,922.40 is: 52,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.68 : 91,898.46 = 37,922.40 : x
  2. Step 2: Convert to fraction form
    66,595.68/91,898.46 = 37,922.40/x
  3. Step 3: Cross multiply
    66,595.68x = 91,898.46 × 37,922.40
  4. Step 4: Simplify right side
    66,595.68x = 3,485,010,159.50
  5. Step 5: Solve for x
    x = 3,485,010,159.50/66,595.68
  6. Step 6: Final answer
    x = 52,330.87

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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.