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Finding the Fourth Proportional to 4,693,528.73, 7,043,254.71 and 1,997,849.64

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Solution

The fourth proportional to 4,693,528.73, 7,043,254.71 and 1,997,849.64 is: 2,998,035.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693,528.73 : 7,043,254.71 = 1,997,849.64 : x
  2. Step 2: Convert to fraction form
    4,693,528.73/7,043,254.71 = 1,997,849.64/x
  3. Step 3: Cross multiply
    4,693,528.73x = 7,043,254.71 × 1,997,849.64
  4. Step 4: Simplify right side
    4,693,528.73x = 14,071,363,904,409.94
  5. Step 5: Solve for x
    x = 14,071,363,904,409.94/4,693,528.73
  6. Step 6: Final answer
    x = 2,998,035.10

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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.