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Finding the Fourth Proportional to 55,374.76, 76,390.54 and 36,246.10

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Solution

The fourth proportional to 55,374.76, 76,390.54 and 36,246.10 is: 50,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,374.76 : 76,390.54 = 36,246.10 : x
  2. Step 2: Convert to fraction form
    55,374.76/76,390.54 = 36,246.10/x
  3. Step 3: Cross multiply
    55,374.76x = 76,390.54 × 36,246.10
  4. Step 4: Simplify right side
    55,374.76x = 2,768,858,870.30
  5. Step 5: Solve for x
    x = 2,768,858,870.30/55,374.76
  6. Step 6: Final answer
    x = 50,002.19

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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.