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Finding the Fourth Proportional to 6,487,980.66, 8,952,782.04 and 3,586,974.30

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Solution

The fourth proportional to 6,487,980.66, 8,952,782.04 and 3,586,974.30 is: 4,949,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487,980.66 : 8,952,782.04 = 3,586,974.30 : x
  2. Step 2: Convert to fraction form
    6,487,980.66/8,952,782.04 = 3,586,974.30/x
  3. Step 3: Cross multiply
    6,487,980.66x = 8,952,782.04 × 3,586,974.30
  4. Step 4: Simplify right side
    6,487,980.66x = 32,113,399,090,981.57
  5. Step 5: Solve for x
    x = 32,113,399,090,981.57/6,487,980.66
  6. Step 6: Final answer
    x = 4,949,675.53

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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.