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Finding the Fourth Proportional to 7,335.32, 11,003 and 5,153.80

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Solution

The fourth proportional to 7,335.32, 11,003 and 5,153.80 is: 7,730.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.32 : 11,003 = 5,153.80 : x
  2. Step 2: Convert to fraction form
    7,335.32/11,003 = 5,153.80/x
  3. Step 3: Cross multiply
    7,335.32x = 11,003 × 5,153.80
  4. Step 4: Simplify right side
    7,335.32x = 56,707,261.40
  5. Step 5: Solve for x
    x = 56,707,261.40/7,335.32
  6. Step 6: Final answer
    x = 7,730.71

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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.