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Finding the Fourth Proportional to 9,583, 13,225.80 and 5,391.25

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Solution

The fourth proportional to 9,583, 13,225.80 and 5,391.25 is: 7,440.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583 : 13,225.80 = 5,391.25 : x
  2. Step 2: Convert to fraction form
    9,583/13,225.80 = 5,391.25/x
  3. Step 3: Cross multiply
    9,583x = 13,225.80 × 5,391.25
  4. Step 4: Simplify right side
    9,583x = 71,303,594.25
  5. Step 5: Solve for x
    x = 71,303,594.25/9,583
  6. Step 6: Final answer
    x = 7,440.63

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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.