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Finding the Fourth Proportional to 4,326.53, 6,489.18 and 1,404.45

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Solution

The fourth proportional to 4,326.53, 6,489.18 and 1,404.45 is: 2,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,326.53 : 6,489.18 = 1,404.45 : x
  2. Step 2: Convert to fraction form
    4,326.53/6,489.18 = 1,404.45/x
  3. Step 3: Cross multiply
    4,326.53x = 6,489.18 × 1,404.45
  4. Step 4: Simplify right side
    4,326.53x = 9,113,728.85
  5. Step 5: Solve for x
    x = 9,113,728.85/4,326.53
  6. Step 6: Final answer
    x = 2,106.48

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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.