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Finding the Fourth Proportional to 5,495,998.90, 8,243,998.35 and 4,908,133.30

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Solution

The fourth proportional to 5,495,998.90, 8,243,998.35 and 4,908,133.30 is: 7,362,199.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495,998.90 : 8,243,998.35 = 4,908,133.30 : x
  2. Step 2: Convert to fraction form
    5,495,998.90/8,243,998.35 = 4,908,133.30/x
  3. Step 3: Cross multiply
    5,495,998.90x = 8,243,998.35 × 4,908,133.30
  4. Step 4: Simplify right side
    5,495,998.90x = 40,462,642,826,780.05
  5. Step 5: Solve for x
    x = 40,462,642,826,780.05/5,495,998.90
  6. Step 6: Final answer
    x = 7,362,199.95

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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.