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Finding the Fourth Proportional to 9,603, 13,252.28 and 5,411.25

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Solution

The fourth proportional to 9,603, 13,252.28 and 5,411.25 is: 7,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,603 : 13,252.28 = 5,411.25 : x
  2. Step 2: Convert to fraction form
    9,603/13,252.28 = 5,411.25/x
  3. Step 3: Cross multiply
    9,603x = 13,252.28 × 5,411.25
  4. Step 4: Simplify right side
    9,603x = 71,711,373.09
  5. Step 5: Solve for x
    x = 71,711,373.09/9,603
  6. Step 6: Final answer
    x = 7,467.60

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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.