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Finding the Fourth Proportional to 8,437,241.84, 12,657,742.68 and 4,648,774.64

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Solution

The fourth proportional to 8,437,241.84, 12,657,742.68 and 4,648,774.64 is: 6,974,197.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437,241.84 : 12,657,742.68 = 4,648,774.64 : x
  2. Step 2: Convert to fraction form
    8,437,241.84/12,657,742.68 = 4,648,774.64/x
  3. Step 3: Cross multiply
    8,437,241.84x = 12,657,742.68 × 4,648,774.64
  4. Step 4: Simplify right side
    8,437,241.84x = 58,842,993,170,429.63
  5. Step 5: Solve for x
    x = 58,842,993,170,429.63/8,437,241.84
  6. Step 6: Final answer
    x = 6,974,197.76

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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.