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Finding the Fourth Proportional to 37,280.85, 55,880.84 and 18,574.84

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Solution

The fourth proportional to 37,280.85, 55,880.84 and 18,574.84 is: 27,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,280.85 : 55,880.84 = 18,574.84 : x
  2. Step 2: Convert to fraction form
    37,280.85/55,880.84 = 18,574.84/x
  3. Step 3: Cross multiply
    37,280.85x = 55,880.84 × 18,574.84
  4. Step 4: Simplify right side
    37,280.85x = 1,037,977,569.19
  5. Step 5: Solve for x
    x = 1,037,977,569.19/37,280.85
  6. Step 6: Final answer
    x = 27,842.11

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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.