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Finding the Fourth Proportional to 60,741.12, 90,995.04 and 35,728.32

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Solution

The fourth proportional to 60,741.12, 90,995.04 and 35,728.32 is: 53,523.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,741.12 : 90,995.04 = 35,728.32 : x
  2. Step 2: Convert to fraction form
    60,741.12/90,995.04 = 35,728.32/x
  3. Step 3: Cross multiply
    60,741.12x = 90,995.04 × 35,728.32
  4. Step 4: Simplify right side
    60,741.12x = 3,251,099,907.53
  5. Step 5: Solve for x
    x = 3,251,099,907.53/60,741.12
  6. Step 6: Final answer
    x = 53,523.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.