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Finding the Fourth Proportional to 40,272.87, 55,575.02 and 22,369.02

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Solution

The fourth proportional to 40,272.87, 55,575.02 and 22,369.02 is: 30,868.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.87 : 55,575.02 = 22,369.02 : x
  2. Step 2: Convert to fraction form
    40,272.87/55,575.02 = 22,369.02/x
  3. Step 3: Cross multiply
    40,272.87x = 55,575.02 × 22,369.02
  4. Step 4: Simplify right side
    40,272.87x = 1,243,158,483.10
  5. Step 5: Solve for x
    x = 1,243,158,483.10/40,272.87
  6. Step 6: Final answer
    x = 30,868.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.