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Finding the Fourth Proportional to 5,260.64, 7,269.31 and 5,004.38

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Solution

The fourth proportional to 5,260.64, 7,269.31 and 5,004.38 is: 6,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.64 : 7,269.31 = 5,004.38 : x
  2. Step 2: Convert to fraction form
    5,260.64/7,269.31 = 5,004.38/x
  3. Step 3: Cross multiply
    5,260.64x = 7,269.31 × 5,004.38
  4. Step 4: Simplify right side
    5,260.64x = 36,378,389.58
  5. Step 5: Solve for x
    x = 36,378,389.58/5,260.64
  6. Step 6: Final answer
    x = 6,915.20

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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.