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Finding the Fourth Proportional to 6,913.63, 9,533.26 and 4,671.61

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Solution

The fourth proportional to 6,913.63, 9,533.26 and 4,671.61 is: 6,441.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.63 : 9,533.26 = 4,671.61 : x
  2. Step 2: Convert to fraction form
    6,913.63/9,533.26 = 4,671.61/x
  3. Step 3: Cross multiply
    6,913.63x = 9,533.26 × 4,671.61
  4. Step 4: Simplify right side
    6,913.63x = 44,535,672.75
  5. Step 5: Solve for x
    x = 44,535,672.75/6,913.63
  6. Step 6: Final answer
    x = 6,441.72

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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.