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Finding the Fourth Proportional to 65,237.44, 90,028.02 and 36,948.64

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Solution

The fourth proportional to 65,237.44, 90,028.02 and 36,948.64 is: 50,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,237.44 : 90,028.02 = 36,948.64 : x
  2. Step 2: Convert to fraction form
    65,237.44/90,028.02 = 36,948.64/x
  3. Step 3: Cross multiply
    65,237.44x = 90,028.02 × 36,948.64
  4. Step 4: Simplify right side
    65,237.44x = 3,326,412,900.89
  5. Step 5: Solve for x
    x = 3,326,412,900.89/65,237.44
  6. Step 6: Final answer
    x = 50,989.32

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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.