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Finding the Fourth Proportional to 6,312,193.92, 8,708,379.84 and 4,019,944.32

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Solution

The fourth proportional to 6,312,193.92, 8,708,379.84 and 4,019,944.32 is: 5,545,964.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312,193.92 : 8,708,379.84 = 4,019,944.32 : x
  2. Step 2: Convert to fraction form
    6,312,193.92/8,708,379.84 = 4,019,944.32/x
  3. Step 3: Cross multiply
    6,312,193.92x = 8,708,379.84 × 4,019,944.32
  4. Step 4: Simplify right side
    6,312,193.92x = 35,007,202,074,210.51
  5. Step 5: Solve for x
    x = 35,007,202,074,210.51/6,312,193.92
  6. Step 6: Final answer
    x = 5,545,964.29

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Double scale
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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.