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Finding the Fourth Proportional to 61,665.40, 92,465.70 and 22,216.60

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Solution

The fourth proportional to 61,665.40, 92,465.70 and 22,216.60 is: 33,313.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,665.40 : 92,465.70 = 22,216.60 : x
  2. Step 2: Convert to fraction form
    61,665.40/92,465.70 = 22,216.60/x
  3. Step 3: Cross multiply
    61,665.40x = 92,465.70 × 22,216.60
  4. Step 4: Simplify right side
    61,665.40x = 2,054,273,470.62
  5. Step 5: Solve for x
    x = 2,054,273,470.62/61,665.40
  6. Step 6: Final answer
    x = 33,313.23

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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.