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Finding the Fourth Proportional to 6,995.65, 9,654.74 and 4,010.89

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Solution

The fourth proportional to 6,995.65, 9,654.74 and 4,010.89 is: 5,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.65 : 9,654.74 = 4,010.89 : x
  2. Step 2: Convert to fraction form
    6,995.65/9,654.74 = 4,010.89/x
  3. Step 3: Cross multiply
    6,995.65x = 9,654.74 × 4,010.89
  4. Step 4: Simplify right side
    6,995.65x = 38,724,080.06
  5. Step 5: Solve for x
    x = 38,724,080.06/6,995.65
  6. Step 6: Final answer
    x = 5,535.45

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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.