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Finding the Fourth Proportional to 63,385.68, 87,465.60 and 36,522.84

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Solution

The fourth proportional to 63,385.68, 87,465.60 and 36,522.84 is: 50,397.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,385.68 : 87,465.60 = 36,522.84 : x
  2. Step 2: Convert to fraction form
    63,385.68/87,465.60 = 36,522.84/x
  3. Step 3: Cross multiply
    63,385.68x = 87,465.60 × 36,522.84
  4. Step 4: Simplify right side
    63,385.68x = 3,194,492,114.30
  5. Step 5: Solve for x
    x = 3,194,492,114.30/63,385.68
  6. Step 6: Final answer
    x = 50,397.69

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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.