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Finding the Fourth Proportional to 7,953.90, 10,976.88 and 4,597.32

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Solution

The fourth proportional to 7,953.90, 10,976.88 and 4,597.32 is: 6,344.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,953.90 : 10,976.88 = 4,597.32 : x
  2. Step 2: Convert to fraction form
    7,953.90/10,976.88 = 4,597.32/x
  3. Step 3: Cross multiply
    7,953.90x = 10,976.88 × 4,597.32
  4. Step 4: Simplify right side
    7,953.90x = 50,464,229.96
  5. Step 5: Solve for x
    x = 50,464,229.96/7,953.90
  6. Step 6: Final answer
    x = 6,344.59

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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.