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Finding the Fourth Proportional to 62,107.16, 85,709.42 and 33,814.40

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Solution

The fourth proportional to 62,107.16, 85,709.42 and 33,814.40 is: 46,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,107.16 : 85,709.42 = 33,814.40 : x
  2. Step 2: Convert to fraction form
    62,107.16/85,709.42 = 33,814.40/x
  3. Step 3: Cross multiply
    62,107.16x = 85,709.42 × 33,814.40
  4. Step 4: Simplify right side
    62,107.16x = 2,898,212,014.03
  5. Step 5: Solve for x
    x = 2,898,212,014.03/62,107.16
  6. Step 6: Final answer
    x = 46,664.70

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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.