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Finding the Fourth Proportional to 55,254.90, 82,882.35 and 37,629.30

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Solution

The fourth proportional to 55,254.90, 82,882.35 and 37,629.30 is: 56,443.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,254.90 : 82,882.35 = 37,629.30 : x
  2. Step 2: Convert to fraction form
    55,254.90/82,882.35 = 37,629.30/x
  3. Step 3: Cross multiply
    55,254.90x = 82,882.35 × 37,629.30
  4. Step 4: Simplify right side
    55,254.90x = 3,118,804,812.86
  5. Step 5: Solve for x
    x = 3,118,804,812.86/55,254.90
  6. Step 6: Final answer
    x = 56,443.95

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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.