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Finding the Fourth Proportional to 6,347,751.48, 8,759,898.75 and 3,447,141.58

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Solution

The fourth proportional to 6,347,751.48, 8,759,898.75 and 3,447,141.58 is: 4,757,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347,751.48 : 8,759,898.75 = 3,447,141.58 : x
  2. Step 2: Convert to fraction form
    6,347,751.48/8,759,898.75 = 3,447,141.58/x
  3. Step 3: Cross multiply
    6,347,751.48x = 8,759,898.75 × 3,447,141.58
  4. Step 4: Simplify right side
    6,347,751.48x = 30,196,611,217,715.03
  5. Step 5: Solve for x
    x = 30,196,611,217,715.03/6,347,751.48
  6. Step 6: Final answer
    x = 4,757,056.31

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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.