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Finding the Fourth Proportional to 55,575.30, 83,395.74 and 28,923.06

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Solution

The fourth proportional to 55,575.30, 83,395.74 and 28,923.06 is: 43,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.30 : 83,395.74 = 28,923.06 : x
  2. Step 2: Convert to fraction form
    55,575.30/83,395.74 = 28,923.06/x
  3. Step 3: Cross multiply
    55,575.30x = 83,395.74 × 28,923.06
  4. Step 4: Simplify right side
    55,575.30x = 2,412,059,991.76
  5. Step 5: Solve for x
    x = 2,412,059,991.76/55,575.30
  6. Step 6: Final answer
    x = 43,401.65

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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.