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Finding the Fourth Proportional to 37,299.64, 55,948.90 and 9,219.69

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Solution

The fourth proportional to 37,299.64, 55,948.90 and 9,219.69 is: 13,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,299.64 : 55,948.90 = 9,219.69 : x
  2. Step 2: Convert to fraction form
    37,299.64/55,948.90 = 9,219.69/x
  3. Step 3: Cross multiply
    37,299.64x = 55,948.90 × 9,219.69
  4. Step 4: Simplify right side
    37,299.64x = 515,831,513.84
  5. Step 5: Solve for x
    x = 515,831,513.84/37,299.64
  6. Step 6: Final answer
    x = 13,829.40

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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.