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Finding the Fourth Proportional to 65,197.44, 90,017.28 and 44,006.40

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Solution

The fourth proportional to 65,197.44, 90,017.28 and 44,006.40 is: 60,759.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,197.44 : 90,017.28 = 44,006.40 : x
  2. Step 2: Convert to fraction form
    65,197.44/90,017.28 = 44,006.40/x
  3. Step 3: Cross multiply
    65,197.44x = 90,017.28 × 44,006.40
  4. Step 4: Simplify right side
    65,197.44x = 3,961,336,430.59
  5. Step 5: Solve for x
    x = 3,961,336,430.59/65,197.44
  6. Step 6: Final answer
    x = 60,759.08

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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.