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Finding the Fourth Proportional to 57,763.04, 79,683.44 and 37,653.60

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Solution

The fourth proportional to 57,763.04, 79,683.44 and 37,653.60 is: 51,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,763.04 : 79,683.44 = 37,653.60 : x
  2. Step 2: Convert to fraction form
    57,763.04/79,683.44 = 37,653.60/x
  3. Step 3: Cross multiply
    57,763.04x = 79,683.44 × 37,653.60
  4. Step 4: Simplify right side
    57,763.04x = 3,000,368,376.38
  5. Step 5: Solve for x
    x = 3,000,368,376.38/57,763.04
  6. Step 6: Final answer
    x = 51,942.70

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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.