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Finding the Fourth Proportional to 9,337.55, 13,994.21 and 3,784.40

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Solution

The fourth proportional to 9,337.55, 13,994.21 and 3,784.40 is: 5,671.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.55 : 13,994.21 = 3,784.40 : x
  2. Step 2: Convert to fraction form
    9,337.55/13,994.21 = 3,784.40/x
  3. Step 3: Cross multiply
    9,337.55x = 13,994.21 × 3,784.40
  4. Step 4: Simplify right side
    9,337.55x = 52,959,688.32
  5. Step 5: Solve for x
    x = 52,959,688.32/9,337.55
  6. Step 6: Final answer
    x = 5,671.69

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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.