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Finding the Fourth Proportional to 7,883,297.75, 10,878,981.01 and 4,398,783.41

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Solution

The fourth proportional to 7,883,297.75, 10,878,981.01 and 4,398,783.41 is: 6,070,337.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,297.75 : 10,878,981.01 = 4,398,783.41 : x
  2. Step 2: Convert to fraction form
    7,883,297.75/10,878,981.01 = 4,398,783.41/x
  3. Step 3: Cross multiply
    7,883,297.75x = 10,878,981.01 × 4,398,783.41
  4. Step 4: Simplify right side
    7,883,297.75x = 47,854,281,200,693.54
  5. Step 5: Solve for x
    x = 47,854,281,200,693.54/7,883,297.75
  6. Step 6: Final answer
    x = 6,070,337.91

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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.