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Finding the Fourth Proportional to 7,335.32, 10,984.76 and 5,133.76

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Solution

The fourth proportional to 7,335.32, 10,984.76 and 5,133.76 is: 7,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.32 : 10,984.76 = 5,133.76 : x
  2. Step 2: Convert to fraction form
    7,335.32/10,984.76 = 5,133.76/x
  3. Step 3: Cross multiply
    7,335.32x = 10,984.76 × 5,133.76
  4. Step 4: Simplify right side
    7,335.32x = 56,393,121.50
  5. Step 5: Solve for x
    x = 56,393,121.50/7,335.32
  6. Step 6: Final answer
    x = 7,687.89

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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.