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Finding the Fourth Proportional to 6,995.81, 9,653.93 and 4,009.57

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Solution

The fourth proportional to 6,995.81, 9,653.93 and 4,009.57 is: 5,533.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,995.81 : 9,653.93 = 4,009.57 : x
  2. Step 2: Convert to fraction form
    6,995.81/9,653.93 = 4,009.57/x
  3. Step 3: Cross multiply
    6,995.81x = 9,653.93 × 4,009.57
  4. Step 4: Simplify right side
    6,995.81x = 38,708,108.11
  5. Step 5: Solve for x
    x = 38,708,108.11/6,995.81
  6. Step 6: Final answer
    x = 5,533.04

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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.