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Finding the Fourth Proportional to 65,750.08, 90,809.92 and 44,202.40

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Solution

The fourth proportional to 65,750.08, 90,809.92 and 44,202.40 is: 61,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,750.08 : 90,809.92 = 44,202.40 : x
  2. Step 2: Convert to fraction form
    65,750.08/90,809.92 = 44,202.40/x
  3. Step 3: Cross multiply
    65,750.08x = 90,809.92 × 44,202.40
  4. Step 4: Simplify right side
    65,750.08x = 4,014,016,407.81
  5. Step 5: Solve for x
    x = 4,014,016,407.81/65,750.08
  6. Step 6: Final answer
    x = 61,049.60

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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.