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Finding the Fourth Proportional to 55,828.40, 83,807.40 and 33,666.80

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Solution

The fourth proportional to 55,828.40, 83,807.40 and 33,666.80 is: 50,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.40 : 83,807.40 = 33,666.80 : x
  2. Step 2: Convert to fraction form
    55,828.40/83,807.40 = 33,666.80/x
  3. Step 3: Cross multiply
    55,828.40x = 83,807.40 × 33,666.80
  4. Step 4: Simplify right side
    55,828.40x = 2,821,526,974.32
  5. Step 5: Solve for x
    x = 2,821,526,974.32/55,828.40
  6. Step 6: Final answer
    x = 50,539.28

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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.