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Finding the Fourth Proportional to 6,899.72, 10,352.08 and 4,264.15

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Solution

The fourth proportional to 6,899.72, 10,352.08 and 4,264.15 is: 6,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.72 : 10,352.08 = 4,264.15 : x
  2. Step 2: Convert to fraction form
    6,899.72/10,352.08 = 4,264.15/x
  3. Step 3: Cross multiply
    6,899.72x = 10,352.08 × 4,264.15
  4. Step 4: Simplify right side
    6,899.72x = 44,142,821.93
  5. Step 5: Solve for x
    x = 44,142,821.93/6,899.72
  6. Step 6: Final answer
    x = 6,397.77

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1.5x scale

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.