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Finding the Fourth Proportional to 55,266.30, 82,723.05 and 43,602.30

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Solution

The fourth proportional to 55,266.30, 82,723.05 and 43,602.30 is: 65,264.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.30 : 82,723.05 = 43,602.30 : x
  2. Step 2: Convert to fraction form
    55,266.30/82,723.05 = 43,602.30/x
  3. Step 3: Cross multiply
    55,266.30x = 82,723.05 × 43,602.30
  4. Step 4: Simplify right side
    55,266.30x = 3,606,915,243.02
  5. Step 5: Solve for x
    x = 3,606,915,243.02/55,266.30
  6. Step 6: Final answer
    x = 65,264.28

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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.