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Finding the Fourth Proportional to 4,711,936.62, 7,068,262.95 and 1,832,066.13

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Solution

The fourth proportional to 4,711,936.62, 7,068,262.95 and 1,832,066.13 is: 2,748,238.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711,936.62 : 7,068,262.95 = 1,832,066.13 : x
  2. Step 2: Convert to fraction form
    4,711,936.62/7,068,262.95 = 1,832,066.13/x
  3. Step 3: Cross multiply
    4,711,936.62x = 7,068,262.95 × 1,832,066.13
  4. Step 4: Simplify right side
    4,711,936.62x = 12,949,525,148,628.88
  5. Step 5: Solve for x
    x = 12,949,525,148,628.88/4,711,936.62
  6. Step 6: Final answer
    x = 2,748,238.40

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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.