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Finding the Fourth Proportional to 65,662.02, 90,606.84 and 36,977.13

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Solution

The fourth proportional to 65,662.02, 90,606.84 and 36,977.13 is: 51,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,662.02 : 90,606.84 = 36,977.13 : x
  2. Step 2: Convert to fraction form
    65,662.02/90,606.84 = 36,977.13/x
  3. Step 3: Cross multiply
    65,662.02x = 90,606.84 × 36,977.13
  4. Step 4: Simplify right side
    65,662.02x = 3,350,380,901.57
  5. Step 5: Solve for x
    x = 3,350,380,901.57/65,662.02
  6. Step 6: Final answer
    x = 51,024.64

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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.