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Finding the Fourth Proportional to 6,506,783.72, 8,979,362.38 and 3,606,361.84

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Solution

The fourth proportional to 6,506,783.72, 8,979,362.38 and 3,606,361.84 is: 4,976,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506,783.72 : 8,979,362.38 = 3,606,361.84 : x
  2. Step 2: Convert to fraction form
    6,506,783.72/8,979,362.38 = 3,606,361.84/x
  3. Step 3: Cross multiply
    6,506,783.72x = 8,979,362.38 × 3,606,361.84
  4. Step 4: Simplify right side
    6,506,783.72x = 32,382,829,834,763.58
  5. Step 5: Solve for x
    x = 32,382,829,834,763.58/6,506,783.72
  6. Step 6: Final answer
    x = 4,976,779.81

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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.