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Finding the Fourth Proportional to 6,474,253.65, 8,934,470.92 and 3,573,645.13

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Solution

The fourth proportional to 6,474,253.65, 8,934,470.92 and 3,573,645.13 is: 4,931,630.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474,253.65 : 8,934,470.92 = 3,573,645.13 : x
  2. Step 2: Convert to fraction form
    6,474,253.65/8,934,470.92 = 3,573,645.13/x
  3. Step 3: Cross multiply
    6,474,253.65x = 8,934,470.92 × 3,573,645.13
  4. Step 4: Simplify right side
    6,474,253.65x = 31,928,628,492,384.62
  5. Step 5: Solve for x
    x = 31,928,628,492,384.62/6,474,253.65
  6. Step 6: Final answer
    x = 4,931,630.77

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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.