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Finding the Fourth Proportional to 55,809.40, 83,722.20 and 26,228.20

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Solution

The fourth proportional to 55,809.40, 83,722.20 and 26,228.20 is: 39,346.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809.40 : 83,722.20 = 26,228.20 : x
  2. Step 2: Convert to fraction form
    55,809.40/83,722.20 = 26,228.20/x
  3. Step 3: Cross multiply
    55,809.40x = 83,722.20 × 26,228.20
  4. Step 4: Simplify right side
    55,809.40x = 2,195,882,606.04
  5. Step 5: Solve for x
    x = 2,195,882,606.04/55,809.40
  6. Step 6: Final answer
    x = 39,346.11

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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.