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Finding the Fourth Proportional to 37,214.60, 55,830.90 and 10,920.20

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Solution

The fourth proportional to 37,214.60, 55,830.90 and 10,920.20 is: 16,382.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,214.60 : 55,830.90 = 10,920.20 : x
  2. Step 2: Convert to fraction form
    37,214.60/55,830.90 = 10,920.20/x
  3. Step 3: Cross multiply
    37,214.60x = 55,830.90 × 10,920.20
  4. Step 4: Simplify right side
    37,214.60x = 609,684,594.18
  5. Step 5: Solve for x
    x = 609,684,594.18/37,214.60
  6. Step 6: Final answer
    x = 16,382.94

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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.