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Finding the Fourth Proportional to 7,605.44, 10,495.92 and 4,248.32

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Solution

The fourth proportional to 7,605.44, 10,495.92 and 4,248.32 is: 5,862.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.44 : 10,495.92 = 4,248.32 : x
  2. Step 2: Convert to fraction form
    7,605.44/10,495.92 = 4,248.32/x
  3. Step 3: Cross multiply
    7,605.44x = 10,495.92 × 4,248.32
  4. Step 4: Simplify right side
    7,605.44x = 44,590,026.85
  5. Step 5: Solve for x
    x = 44,590,026.85/7,605.44
  6. Step 6: Final answer
    x = 5,862.91

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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.