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Finding the Fourth Proportional to 55,376.40, 83,007.90 and 27,253.20

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Solution

The fourth proportional to 55,376.40, 83,007.90 and 27,253.20 is: 40,851.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,376.40 : 83,007.90 = 27,253.20 : x
  2. Step 2: Convert to fraction form
    55,376.40/83,007.90 = 27,253.20/x
  3. Step 3: Cross multiply
    55,376.40x = 83,007.90 × 27,253.20
  4. Step 4: Simplify right side
    55,376.40x = 2,262,230,900.28
  5. Step 5: Solve for x
    x = 2,262,230,900.28/55,376.40
  6. Step 6: Final answer
    x = 40,851.90

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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.