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Finding the Fourth Proportional to 4,966,994.88, 7,483,682.88 and 4,487,779.68

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Solution

The fourth proportional to 4,966,994.88, 7,483,682.88 and 4,487,779.68 is: 6,761,657.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,966,994.88 : 7,483,682.88 = 4,487,779.68 : x
  2. Step 2: Convert to fraction form
    4,966,994.88/7,483,682.88 = 4,487,779.68/x
  3. Step 3: Cross multiply
    4,966,994.88x = 7,483,682.88 × 4,487,779.68
  4. Step 4: Simplify right side
    4,966,994.88x = 33,585,119,960,427.88
  5. Step 5: Solve for x
    x = 33,585,119,960,427.88/4,966,994.88
  6. Step 6: Final answer
    x = 6,761,657.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.