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Finding the Fourth Proportional to 65,334.66, 90,156.36 and 36,650.34

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Solution

The fourth proportional to 65,334.66, 90,156.36 and 36,650.34 is: 50,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,334.66 : 90,156.36 = 36,650.34 : x
  2. Step 2: Convert to fraction form
    65,334.66/90,156.36 = 36,650.34/x
  3. Step 3: Cross multiply
    65,334.66x = 90,156.36 × 36,650.34
  4. Step 4: Simplify right side
    65,334.66x = 3,304,261,247.16
  5. Step 5: Solve for x
    x = 3,304,261,247.16/65,334.66
  6. Step 6: Final answer
    x = 50,574.40

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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.