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Finding the Fourth Proportional to 6,426.52, 8,869.40 and 3,594.40

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Solution

The fourth proportional to 6,426.52, 8,869.40 and 3,594.40 is: 4,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.52 : 8,869.40 = 3,594.40 : x
  2. Step 2: Convert to fraction form
    6,426.52/8,869.40 = 3,594.40/x
  3. Step 3: Cross multiply
    6,426.52x = 8,869.40 × 3,594.40
  4. Step 4: Simplify right side
    6,426.52x = 31,880,171.36
  5. Step 5: Solve for x
    x = 31,880,171.36/6,426.52
  6. Step 6: Final answer
    x = 4,960.72

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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.