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Finding the Fourth Proportional to 62,222.52, 85,867.08 and 39,866.52

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Solution

The fourth proportional to 62,222.52, 85,867.08 and 39,866.52 is: 55,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,222.52 : 85,867.08 = 39,866.52 : x
  2. Step 2: Convert to fraction form
    62,222.52/85,867.08 = 39,866.52/x
  3. Step 3: Cross multiply
    62,222.52x = 85,867.08 × 39,866.52
  4. Step 4: Simplify right side
    62,222.52x = 3,423,221,662.16
  5. Step 5: Solve for x
    x = 3,423,221,662.16/62,222.52
  6. Step 6: Final answer
    x = 55,015.80

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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.