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Finding the Fourth Proportional to 4,695.50, 6,479.79 and 2,599.64

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Solution

The fourth proportional to 4,695.50, 6,479.79 and 2,599.64 is: 3,587.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,695.50 : 6,479.79 = 2,599.64 : x
  2. Step 2: Convert to fraction form
    4,695.50/6,479.79 = 2,599.64/x
  3. Step 3: Cross multiply
    4,695.50x = 6,479.79 × 2,599.64
  4. Step 4: Simplify right side
    4,695.50x = 16,845,121.28
  5. Step 5: Solve for x
    x = 16,845,121.28/4,695.50
  6. Step 6: Final answer
    x = 3,587.50

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1.5x scale

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.