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Finding the Fourth Proportional to 4,315.86, 6,432.76 and 4,069.82

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Solution

The fourth proportional to 4,315.86, 6,432.76 and 4,069.82 is: 6,066.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.86 : 6,432.76 = 4,069.82 : x
  2. Step 2: Convert to fraction form
    4,315.86/6,432.76 = 4,069.82/x
  3. Step 3: Cross multiply
    4,315.86x = 6,432.76 × 4,069.82
  4. Step 4: Simplify right side
    4,315.86x = 26,180,175.30
  5. Step 5: Solve for x
    x = 26,180,175.30/4,315.86
  6. Step 6: Final answer
    x = 6,066.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.