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Finding the Fourth Proportional to 6,286,984.50, 8,676,038.61 and 3,425,416.50

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Solution

The fourth proportional to 6,286,984.50, 8,676,038.61 and 3,425,416.50 is: 4,727,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286,984.50 : 8,676,038.61 = 3,425,416.50 : x
  2. Step 2: Convert to fraction form
    6,286,984.50/8,676,038.61 = 3,425,416.50/x
  3. Step 3: Cross multiply
    6,286,984.50x = 8,676,038.61 × 3,425,416.50
  4. Step 4: Simplify right side
    6,286,984.50x = 29,719,045,809,331.06
  5. Step 5: Solve for x
    x = 29,719,045,809,331.06/6,286,984.50
  6. Step 6: Final answer
    x = 4,727,074.77

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.