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Finding the Fourth Proportional to 65,961.04, 91,042.76 and 37,683.12

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Solution

The fourth proportional to 65,961.04, 91,042.76 and 37,683.12 is: 52,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,961.04 : 91,042.76 = 37,683.12 : x
  2. Step 2: Convert to fraction form
    65,961.04/91,042.76 = 37,683.12/x
  3. Step 3: Cross multiply
    65,961.04x = 91,042.76 × 37,683.12
  4. Step 4: Simplify right side
    65,961.04x = 3,430,775,250.21
  5. Step 5: Solve for x
    x = 3,430,775,250.21/65,961.04
  6. Step 6: Final answer
    x = 52,012.15

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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.