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Finding the Fourth Proportional to 65,184.40, 89,954.04 and 36,889.48

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Solution

The fourth proportional to 65,184.40, 89,954.04 and 36,889.48 is: 50,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,184.40 : 89,954.04 = 36,889.48 : x
  2. Step 2: Convert to fraction form
    65,184.40/89,954.04 = 36,889.48/x
  3. Step 3: Cross multiply
    65,184.40x = 89,954.04 × 36,889.48
  4. Step 4: Simplify right side
    65,184.40x = 3,318,357,759.50
  5. Step 5: Solve for x
    x = 3,318,357,759.50/65,184.40
  6. Step 6: Final answer
    x = 50,907.24

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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.