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Finding the Fourth Proportional to 3,849,699.70, 5,762,107.95 and 3,003,670.90

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Solution

The fourth proportional to 3,849,699.70, 5,762,107.95 and 3,003,670.90 is: 4,495,798.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849,699.70 : 5,762,107.95 = 3,003,670.90 : x
  2. Step 2: Convert to fraction form
    3,849,699.70/5,762,107.95 = 3,003,670.90/x
  3. Step 3: Cross multiply
    3,849,699.70x = 5,762,107.95 × 3,003,670.90
  4. Step 4: Simplify right side
    3,849,699.70x = 17,307,475,972,073.65
  5. Step 5: Solve for x
    x = 17,307,475,972,073.65/3,849,699.70
  6. Step 6: Final answer
    x = 4,495,798.98

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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.