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Finding the Fourth Proportional to 7,004, 9,665.64 and 4,524.32

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Solution

The fourth proportional to 7,004, 9,665.64 and 4,524.32 is: 6,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004 : 9,665.64 = 4,524.32 : x
  2. Step 2: Convert to fraction form
    7,004/9,665.64 = 4,524.32/x
  3. Step 3: Cross multiply
    7,004x = 9,665.64 × 4,524.32
  4. Step 4: Simplify right side
    7,004x = 43,730,448.36
  5. Step 5: Solve for x
    x = 43,730,448.36/7,004
  6. Step 6: Final answer
    x = 6,243.64

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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.