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Finding the Fourth Proportional to 4,400.64, 6,602.72 and 2,648.96

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Solution

The fourth proportional to 4,400.64, 6,602.72 and 2,648.96 is: 3,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,400.64 : 6,602.72 = 2,648.96 : x
  2. Step 2: Convert to fraction form
    4,400.64/6,602.72 = 2,648.96/x
  3. Step 3: Cross multiply
    4,400.64x = 6,602.72 × 2,648.96
  4. Step 4: Simplify right side
    4,400.64x = 17,490,341.17
  5. Step 5: Solve for x
    x = 17,490,341.17/4,400.64
  6. Step 6: Final answer
    x = 3,974.50

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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.