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Finding the Fourth Proportional to 5,335.42, 7,964.62 and 5,095.78

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Solution

The fourth proportional to 5,335.42, 7,964.62 and 5,095.78 is: 7,606.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.42 : 7,964.62 = 5,095.78 : x
  2. Step 2: Convert to fraction form
    5,335.42/7,964.62 = 5,095.78/x
  3. Step 3: Cross multiply
    5,335.42x = 7,964.62 × 5,095.78
  4. Step 4: Simplify right side
    5,335.42x = 40,585,964.04
  5. Step 5: Solve for x
    x = 40,585,964.04/5,335.42
  6. Step 6: Final answer
    x = 7,606.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.