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Finding the Fourth Proportional to 8,479,312.97, 12,713,848.23 and 3,804,536.08

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Solution

The fourth proportional to 8,479,312.97, 12,713,848.23 and 3,804,536.08 is: 5,704,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479,312.97 : 12,713,848.23 = 3,804,536.08 : x
  2. Step 2: Convert to fraction form
    8,479,312.97/12,713,848.23 = 3,804,536.08/x
  3. Step 3: Cross multiply
    8,479,312.97x = 12,713,848.23 × 3,804,536.08
  4. Step 4: Simplify right side
    8,479,312.97x = 48,370,294,243,109.90
  5. Step 5: Solve for x
    x = 48,370,294,243,109.90/8,479,312.97
  6. Step 6: Final answer
    x = 5,704,506.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.