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Finding the Fourth Proportional to 7,575.88, 10,454.52 and 7,352.32

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Solution

The fourth proportional to 7,575.88, 10,454.52 and 7,352.32 is: 10,146.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.88 : 10,454.52 = 7,352.32 : x
  2. Step 2: Convert to fraction form
    7,575.88/10,454.52 = 7,352.32/x
  3. Step 3: Cross multiply
    7,575.88x = 10,454.52 × 7,352.32
  4. Step 4: Simplify right side
    7,575.88x = 76,864,976.49
  5. Step 5: Solve for x
    x = 76,864,976.49/7,575.88
  6. Step 6: Final answer
    x = 10,146.01

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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.