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Finding the Fourth Proportional to 63,549.21, 87,697.64 and 35,254.90

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Solution

The fourth proportional to 63,549.21, 87,697.64 and 35,254.90 is: 48,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,549.21 : 87,697.64 = 35,254.90 : x
  2. Step 2: Convert to fraction form
    63,549.21/87,697.64 = 35,254.90/x
  3. Step 3: Cross multiply
    63,549.21x = 87,697.64 × 35,254.90
  4. Step 4: Simplify right side
    63,549.21x = 3,091,771,397.33
  5. Step 5: Solve for x
    x = 3,091,771,397.33/63,549.21
  6. Step 6: Final answer
    x = 48,651.61

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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.