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Finding the Fourth Proportional to 65,552.64, 90,465.60 and 35,744.64

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Solution

The fourth proportional to 65,552.64, 90,465.60 and 35,744.64 is: 49,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,552.64 : 90,465.60 = 35,744.64 : x
  2. Step 2: Convert to fraction form
    65,552.64/90,465.60 = 35,744.64/x
  3. Step 3: Cross multiply
    65,552.64x = 90,465.60 × 35,744.64
  4. Step 4: Simplify right side
    65,552.64x = 3,233,660,304.38
  5. Step 5: Solve for x
    x = 3,233,660,304.38/65,552.64
  6. Step 6: Final answer
    x = 49,329.22

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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.