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Finding the Fourth Proportional to 6,586,965.71, 9,090,691.96 and 3,796,186.96

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Solution

The fourth proportional to 6,586,965.71, 9,090,691.96 and 3,796,186.96 is: 5,239,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,586,965.71 : 9,090,691.96 = 3,796,186.96 : x
  2. Step 2: Convert to fraction form
    6,586,965.71/9,090,691.96 = 3,796,186.96/x
  3. Step 3: Cross multiply
    6,586,965.71x = 9,090,691.96 × 3,796,186.96
  4. Step 4: Simplify right side
    6,586,965.71x = 34,509,966,230,475.39
  5. Step 5: Solve for x
    x = 34,509,966,230,475.39/6,586,965.71
  6. Step 6: Final answer
    x = 5,239,129.48

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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.