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Finding the Fourth Proportional to 55,506.93, 83,238.48 and 22,220.79

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Solution

The fourth proportional to 55,506.93, 83,238.48 and 22,220.79 is: 33,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,506.93 : 83,238.48 = 22,220.79 : x
  2. Step 2: Convert to fraction form
    55,506.93/83,238.48 = 22,220.79/x
  3. Step 3: Cross multiply
    55,506.93x = 83,238.48 × 22,220.79
  4. Step 4: Simplify right side
    55,506.93x = 1,849,624,784.00
  5. Step 5: Solve for x
    x = 1,849,624,784.00/55,506.93
  6. Step 6: Final answer
    x = 33,322.41

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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.