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Finding the Fourth Proportional to 9,293.60, 13,940.40 and 6,523.40

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Solution

The fourth proportional to 9,293.60, 13,940.40 and 6,523.40 is: 9,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,293.60 : 13,940.40 = 6,523.40 : x
  2. Step 2: Convert to fraction form
    9,293.60/13,940.40 = 6,523.40/x
  3. Step 3: Cross multiply
    9,293.60x = 13,940.40 × 6,523.40
  4. Step 4: Simplify right side
    9,293.60x = 90,938,805.36
  5. Step 5: Solve for x
    x = 90,938,805.36/9,293.60
  6. Step 6: Final answer
    x = 9,785.10

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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.