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Finding the Fourth Proportional to 57,319.45, 85,946.06 and 22,218.10

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Solution

The fourth proportional to 57,319.45, 85,946.06 and 22,218.10 is: 33,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,319.45 : 85,946.06 = 22,218.10 : x
  2. Step 2: Convert to fraction form
    57,319.45/85,946.06 = 22,218.10/x
  3. Step 3: Cross multiply
    57,319.45x = 85,946.06 × 22,218.10
  4. Step 4: Simplify right side
    57,319.45x = 1,909,557,996.37
  5. Step 5: Solve for x
    x = 1,909,557,996.37/57,319.45
  6. Step 6: Final answer
    x = 33,314.31

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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.