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Finding the Fourth Proportional to 4,711,893.75, 7,068,976.50 and 1,637,437.85

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Solution

The fourth proportional to 4,711,893.75, 7,068,976.50 and 1,637,437.85 is: 2,456,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,711,893.75 : 7,068,976.50 = 1,637,437.85 : x
  2. Step 2: Convert to fraction form
    4,711,893.75/7,068,976.50 = 1,637,437.85/x
  3. Step 3: Cross multiply
    4,711,893.75x = 7,068,976.50 × 1,637,437.85
  4. Step 4: Simplify right side
    4,711,893.75x = 11,575,009,646,515.64
  5. Step 5: Solve for x
    x = 11,575,009,646,515.64/4,711,893.75
  6. Step 6: Final answer
    x = 2,456,551.50

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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.