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Finding the Fourth Proportional to 6,603.76, 9,107.94 and 5,612.32

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Solution

The fourth proportional to 6,603.76, 9,107.94 and 5,612.32 is: 7,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.76 : 9,107.94 = 5,612.32 : x
  2. Step 2: Convert to fraction form
    6,603.76/9,107.94 = 5,612.32/x
  3. Step 3: Cross multiply
    6,603.76x = 9,107.94 × 5,612.32
  4. Step 4: Simplify right side
    6,603.76x = 51,116,673.82
  5. Step 5: Solve for x
    x = 51,116,673.82/6,603.76
  6. Step 6: Final answer
    x = 7,740.54

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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.